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From: Jerin Jacob <jerinjacobk@gmail.com>
To: Nithin Dabilpuram <ndabilpuram@marvell.com>,
	Ferruh Yigit <ferruh.yigit@intel.com>
Cc: Jerin Jacob <jerinj@marvell.com>,
	Kiran Kumar K <kirankumark@marvell.com>,
	 Sunil Kumar Kori <skori@marvell.com>,
	Satha Rao <skoteshwar@marvell.com>, dpdk-dev <dev@dpdk.org>,
	 Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Subject: Re: [PATCH 6/8] common/cnxk: handle issues from static analysis
Date: Wed, 19 Jan 2022 22:14:26 +0530	[thread overview]
Message-ID: <CALBAE1O3YjiF9wXn2WBwo2U6+gifqwC-e4Ap3KDUxAP2J+noOQ@mail.gmail.com> (raw)
In-Reply-To: <20211209091342.27017-6-ndabilpuram@marvell.com>

On Thu, Dec 9, 2021 at 2:44 PM Nithin Dabilpuram
<ndabilpuram@marvell.com> wrote:
>
> From: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
>
> Handle issues reported by static analysis tool such as
> null pointer dereferences, variable initialization, etc.
>
> Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
> Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>

Acked-by: Jerin Jacob <jerinj@marvell.com>
Applied to dpdk-next-net-mrvl/for-next-net. Thanks

Since it the fix, Changed the git log to

    common/cnxk: fix issues reported by klockwork

    Fix issues reported by klockwork(static analysis tool) such as
    null pointer dereferences, variable initialization, etc.

    Fixes: c045d2e5cbbc ("common/cnxk: add CPT configuration")
    Fixes: ed135040f0ab ("common/cnxk: add CPT LF configuration")
    Fixes: 585bb3e538f9 ("common/cnxk: add VF support to base device class")
    Fixes: 665ff1ccc2c4 ("common/cnxk: add base device class")
    Fixes: da57d4589a6f ("common/cnxk: support NIX flow control")
    Fixes: 218d022e1f3f ("common/cnxk: support NIX stats")
    Fixes: 4efa6e82fe43 ("common/cnxk: support NIX extended stats")
    Fixes: 0885429c3028 ("common/cnxk: add NIX TM hierarchy enable/disable")
    Cc: stable@dpdk.org

    Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
    Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
    Acked-by: Jerin Jacob <jerinj@marvell.com>

> ---
>  drivers/common/cnxk/roc_cpt.c       |  7 +++--
>  drivers/common/cnxk/roc_dev.c       | 21 ++++++++++++-
>  drivers/common/cnxk/roc_nix_debug.c |  6 ++++
>  drivers/common/cnxk/roc_nix_fc.c    | 12 ++++++++
>  drivers/common/cnxk/roc_nix_queue.c | 61 ++++++++++++++++++++++++++++++++++---
>  drivers/common/cnxk/roc_nix_stats.c | 18 +++++++++++
>  drivers/common/cnxk/roc_nix_tm.c    |  8 ++++-
>  7 files changed, 125 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/common/cnxk/roc_cpt.c b/drivers/common/cnxk/roc_cpt.c
> index 8f8e6d3..0e2dc45 100644
> --- a/drivers/common/cnxk/roc_cpt.c
> +++ b/drivers/common/cnxk/roc_cpt.c
> @@ -385,6 +385,9 @@ cpt_lfs_alloc(struct dev *dev, uint8_t eng_grpmsk, uint8_t blkaddr,
>                 return -EINVAL;
>
>         req = mbox_alloc_msg_cpt_lf_alloc(mbox);
> +       if (!req)
> +               return -ENOSPC;
> +
>         req->nix_pf_func = 0;
>         if (inl_dev_sso && nix_inl_dev_pffunc_get())
>                 req->sso_pf_func = nix_inl_dev_pffunc_get();
> @@ -812,9 +815,9 @@ roc_cpt_eng_grp_add(struct roc_cpt *roc_cpt, enum cpt_eng_type eng_type)
>  void
>  roc_cpt_iq_disable(struct roc_cpt_lf *lf)
>  {
> +       volatile union cpt_lf_q_grp_ptr grp_ptr = {.u = 0x0};
> +       volatile union cpt_lf_inprog lf_inprog = {.u = 0x0};
>         union cpt_lf_ctl lf_ctl = {.u = 0x0};
> -       union cpt_lf_q_grp_ptr grp_ptr;
> -       union cpt_lf_inprog lf_inprog;
>         int timeout = 20;
>         int cnt;
>
> diff --git a/drivers/common/cnxk/roc_dev.c b/drivers/common/cnxk/roc_dev.c
> index 926a916..9a86969 100644
> --- a/drivers/common/cnxk/roc_dev.c
> +++ b/drivers/common/cnxk/roc_dev.c
> @@ -57,7 +57,7 @@ pf_af_sync_msg(struct dev *dev, struct mbox_msghdr **rsp)
>         struct mbox *mbox = dev->mbox;
>         struct mbox_dev *mdev = &mbox->dev[0];
>
> -       volatile uint64_t int_status;
> +       volatile uint64_t int_status = 0;
>         struct mbox_msghdr *msghdr;
>         uint64_t off;
>         int rc = 0;
> @@ -152,6 +152,11 @@ af_pf_wait_msg(struct dev *dev, uint16_t vf, int num_msg)
>                 /* Reserve PF/VF mbox message */
>                 size = PLT_ALIGN(size, MBOX_MSG_ALIGN);
>                 rsp = mbox_alloc_msg(&dev->mbox_vfpf, vf, size);
> +               if (!rsp) {
> +                       plt_err("Failed to reserve VF%d message", vf);
> +                       continue;
> +               }
> +
>                 mbox_rsp_init(msg->id, rsp);
>
>                 /* Copy message from AF<->PF mbox to PF<->VF mbox */
> @@ -236,6 +241,12 @@ vf_pf_process_msgs(struct dev *dev, uint16_t vf)
>                                 BIT_ULL(vf % max_bits);
>                         rsp = (struct ready_msg_rsp *)mbox_alloc_msg(
>                                 mbox, vf, sizeof(*rsp));
> +                       if (!rsp) {
> +                               plt_err("Failed to alloc VF%d READY message",
> +                                       vf);
> +                               continue;
> +                       }
> +
>                         mbox_rsp_init(msg->id, rsp);
>
>                         /* PF/VF function ID */
> @@ -988,6 +999,9 @@ dev_setup_shared_lmt_region(struct mbox *mbox, bool valid_iova, uint64_t iova)
>         struct lmtst_tbl_setup_req *req;
>
>         req = mbox_alloc_msg_lmtst_tbl_setup(mbox);
> +       if (!req)
> +               return -ENOSPC;
> +
>         /* This pcifunc is defined with primary pcifunc whose LMT address
>          * will be shared. If call contains valid IOVA, following pcifunc
>          * field is of no use.
> @@ -1061,6 +1075,11 @@ dev_lmt_setup(struct dev *dev)
>          */
>         if (!dev->disable_shared_lmt) {
>                 idev = idev_get_cfg();
> +               if (!idev) {
> +                       errno = EFAULT;
> +                       goto free;
> +               }
> +
>                 if (!__atomic_load_n(&idev->lmt_pf_func, __ATOMIC_ACQUIRE)) {
>                         idev->lmt_base_addr = dev->lmt_base;
>                         idev->lmt_pf_func = dev->pf_func;
> diff --git a/drivers/common/cnxk/roc_nix_debug.c b/drivers/common/cnxk/roc_nix_debug.c
> index 266935a..7dc54f3 100644
> --- a/drivers/common/cnxk/roc_nix_debug.c
> +++ b/drivers/common/cnxk/roc_nix_debug.c
> @@ -323,6 +323,9 @@ nix_q_ctx_get(struct dev *dev, uint8_t ctype, uint16_t qid, __io void **ctx_p)
>                 int rc;
>
>                 aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = qid;
>                 aq->ctype = ctype;
>                 aq->op = NIX_AQ_INSTOP_READ;
> @@ -341,6 +344,9 @@ nix_q_ctx_get(struct dev *dev, uint8_t ctype, uint16_t qid, __io void **ctx_p)
>                 struct nix_cn10k_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = qid;
>                 aq->ctype = ctype;
>                 aq->op = NIX_AQ_INSTOP_READ;
> diff --git a/drivers/common/cnxk/roc_nix_fc.c b/drivers/common/cnxk/roc_nix_fc.c
> index ca29cd2..d311371 100644
> --- a/drivers/common/cnxk/roc_nix_fc.c
> +++ b/drivers/common/cnxk/roc_nix_fc.c
> @@ -113,6 +113,9 @@ nix_fc_cq_config_get(struct roc_nix *roc_nix, struct roc_nix_fc_cfg *fc_cfg)
>                 struct nix_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = fc_cfg->cq_cfg.rq;
>                 aq->ctype = NIX_AQ_CTYPE_CQ;
>                 aq->op = NIX_AQ_INSTOP_READ;
> @@ -120,6 +123,9 @@ nix_fc_cq_config_get(struct roc_nix *roc_nix, struct roc_nix_fc_cfg *fc_cfg)
>                 struct nix_cn10k_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = fc_cfg->cq_cfg.rq;
>                 aq->ctype = NIX_AQ_CTYPE_CQ;
>                 aq->op = NIX_AQ_INSTOP_READ;
> @@ -147,6 +153,9 @@ nix_fc_cq_config_set(struct roc_nix *roc_nix, struct roc_nix_fc_cfg *fc_cfg)
>                 struct nix_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = fc_cfg->cq_cfg.rq;
>                 aq->ctype = NIX_AQ_CTYPE_CQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -164,6 +173,9 @@ nix_fc_cq_config_set(struct roc_nix *roc_nix, struct roc_nix_fc_cfg *fc_cfg)
>                 struct nix_cn10k_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = fc_cfg->cq_cfg.rq;
>                 aq->ctype = NIX_AQ_CTYPE_CQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> diff --git a/drivers/common/cnxk/roc_nix_queue.c b/drivers/common/cnxk/roc_nix_queue.c
> index 4455fc1..f99cdd0 100644
> --- a/drivers/common/cnxk/roc_nix_queue.c
> +++ b/drivers/common/cnxk/roc_nix_queue.c
> @@ -38,6 +38,9 @@ nix_rq_ena_dis(struct dev *dev, struct roc_nix_rq *rq, bool enable)
>                 struct nix_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = rq->qid;
>                 aq->ctype = NIX_AQ_CTYPE_RQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -48,6 +51,9 @@ nix_rq_ena_dis(struct dev *dev, struct roc_nix_rq *rq, bool enable)
>                 struct nix_cn10k_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = rq->qid;
>                 aq->ctype = NIX_AQ_CTYPE_RQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -80,6 +86,9 @@ nix_rq_cn9k_cfg(struct dev *dev, struct roc_nix_rq *rq, uint16_t qints,
>         struct nix_aq_enq_req *aq;
>
>         aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +       if (!aq)
> +               return -ENOSPC;
> +
>         aq->qidx = rq->qid;
>         aq->ctype = NIX_AQ_CTYPE_RQ;
>         aq->op = cfg ? NIX_AQ_INSTOP_WRITE : NIX_AQ_INSTOP_INIT;
> @@ -195,6 +204,9 @@ nix_rq_cfg(struct dev *dev, struct roc_nix_rq *rq, uint16_t qints, bool cfg,
>         struct mbox *mbox = dev->mbox;
>
>         aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +       if (!aq)
> +               return -ENOSPC;
> +
>         aq->qidx = rq->qid;
>         aq->ctype = NIX_AQ_CTYPE_RQ;
>         aq->op = cfg ? NIX_AQ_INSTOP_WRITE : NIX_AQ_INSTOP_INIT;
> @@ -463,6 +475,9 @@ roc_nix_cq_init(struct roc_nix *roc_nix, struct roc_nix_cq *cq)
>                 struct nix_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = cq->qid;
>                 aq->ctype = NIX_AQ_CTYPE_CQ;
>                 aq->op = NIX_AQ_INSTOP_INIT;
> @@ -471,6 +486,9 @@ roc_nix_cq_init(struct roc_nix *roc_nix, struct roc_nix_cq *cq)
>                 struct nix_cn10k_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = cq->qid;
>                 aq->ctype = NIX_AQ_CTYPE_CQ;
>                 aq->op = NIX_AQ_INSTOP_INIT;
> @@ -547,6 +565,9 @@ roc_nix_cq_fini(struct roc_nix_cq *cq)
>                 struct nix_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = cq->qid;
>                 aq->ctype = NIX_AQ_CTYPE_CQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -558,6 +579,9 @@ roc_nix_cq_fini(struct roc_nix_cq *cq)
>                 struct nix_cn10k_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = cq->qid;
>                 aq->ctype = NIX_AQ_CTYPE_CQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -649,7 +673,7 @@ sqb_pool_populate(struct roc_nix *roc_nix, struct roc_nix_sq *sq)
>         return rc;
>  }
>
> -static void
> +static int
>  sq_cn9k_init(struct nix *nix, struct roc_nix_sq *sq, uint32_t rr_quantum,
>              uint16_t smq)
>  {
> @@ -657,6 +681,9 @@ sq_cn9k_init(struct nix *nix, struct roc_nix_sq *sq, uint32_t rr_quantum,
>         struct nix_aq_enq_req *aq;
>
>         aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +       if (!aq)
> +               return -ENOSPC;
> +
>         aq->qidx = sq->qid;
>         aq->ctype = NIX_AQ_CTYPE_SQ;
>         aq->op = NIX_AQ_INSTOP_INIT;
> @@ -685,6 +712,7 @@ sq_cn9k_init(struct nix *nix, struct roc_nix_sq *sq, uint32_t rr_quantum,
>          * might result in software missing the interrupt.
>          */
>         aq->sq.qint_idx = 0;
> +       return 0;
>  }
>
>  static int
> @@ -698,6 +726,9 @@ sq_cn9k_fini(struct nix *nix, struct roc_nix_sq *sq)
>         int rc, count;
>
>         aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +       if (!aq)
> +               return -ENOSPC;
> +
>         aq->qidx = sq->qid;
>         aq->ctype = NIX_AQ_CTYPE_SQ;
>         aq->op = NIX_AQ_INSTOP_READ;
> @@ -711,6 +742,9 @@ sq_cn9k_fini(struct nix *nix, struct roc_nix_sq *sq)
>
>         /* Disable sq */
>         aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +       if (!aq)
> +               return -ENOSPC;
> +
>         aq->qidx = sq->qid;
>         aq->ctype = NIX_AQ_CTYPE_SQ;
>         aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -722,6 +756,9 @@ sq_cn9k_fini(struct nix *nix, struct roc_nix_sq *sq)
>
>         /* Read SQ and free sqb's */
>         aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +       if (!aq)
> +               return -ENOSPC;
> +
>         aq->qidx = sq->qid;
>         aq->ctype = NIX_AQ_CTYPE_SQ;
>         aq->op = NIX_AQ_INSTOP_READ;
> @@ -753,7 +790,7 @@ sq_cn9k_fini(struct nix *nix, struct roc_nix_sq *sq)
>         return 0;
>  }
>
> -static void
> +static int
>  sq_init(struct nix *nix, struct roc_nix_sq *sq, uint32_t rr_quantum,
>         uint16_t smq)
>  {
> @@ -761,6 +798,9 @@ sq_init(struct nix *nix, struct roc_nix_sq *sq, uint32_t rr_quantum,
>         struct nix_cn10k_aq_enq_req *aq;
>
>         aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +       if (!aq)
> +               return -ENOSPC;
> +
>         aq->qidx = sq->qid;
>         aq->ctype = NIX_AQ_CTYPE_SQ;
>         aq->op = NIX_AQ_INSTOP_INIT;
> @@ -788,6 +828,7 @@ sq_init(struct nix *nix, struct roc_nix_sq *sq, uint32_t rr_quantum,
>          * might result in software missing the interrupt.
>          */
>         aq->sq.qint_idx = 0;
> +       return 0;
>  }
>
>  static int
> @@ -801,6 +842,9 @@ sq_fini(struct nix *nix, struct roc_nix_sq *sq)
>         int rc, count;
>
>         aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +       if (!aq)
> +               return -ENOSPC;
> +
>         aq->qidx = sq->qid;
>         aq->ctype = NIX_AQ_CTYPE_SQ;
>         aq->op = NIX_AQ_INSTOP_READ;
> @@ -814,6 +858,9 @@ sq_fini(struct nix *nix, struct roc_nix_sq *sq)
>
>         /* Disable sq */
>         aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +       if (!aq)
> +               return -ENOSPC;
> +
>         aq->qidx = sq->qid;
>         aq->ctype = NIX_AQ_CTYPE_SQ;
>         aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -825,6 +872,9 @@ sq_fini(struct nix *nix, struct roc_nix_sq *sq)
>
>         /* Read SQ and free sqb's */
>         aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +       if (!aq)
> +               return -ENOSPC;
> +
>         aq->qidx = sq->qid;
>         aq->ctype = NIX_AQ_CTYPE_SQ;
>         aq->op = NIX_AQ_INSTOP_READ;
> @@ -895,9 +945,12 @@ roc_nix_sq_init(struct roc_nix *roc_nix, struct roc_nix_sq *sq)
>
>         /* Init SQ context */
>         if (roc_model_is_cn9k())
> -               sq_cn9k_init(nix, sq, rr_quantum, smq);
> +               rc = sq_cn9k_init(nix, sq, rr_quantum, smq);
>         else
> -               sq_init(nix, sq, rr_quantum, smq);
> +               rc = sq_init(nix, sq, rr_quantum, smq);
> +
> +       if (rc)
> +               goto nomem;
>
>         rc = mbox_process(mbox);
>         if (rc)
> diff --git a/drivers/common/cnxk/roc_nix_stats.c b/drivers/common/cnxk/roc_nix_stats.c
> index c50c8fa..756111f 100644
> --- a/drivers/common/cnxk/roc_nix_stats.c
> +++ b/drivers/common/cnxk/roc_nix_stats.c
> @@ -124,6 +124,9 @@ nix_stat_rx_queue_reset(struct nix *nix, uint16_t qid)
>                 struct nix_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = qid;
>                 aq->ctype = NIX_AQ_CTYPE_RQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -143,6 +146,9 @@ nix_stat_rx_queue_reset(struct nix *nix, uint16_t qid)
>                 struct nix_cn10k_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = qid;
>                 aq->ctype = NIX_AQ_CTYPE_RQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -174,6 +180,9 @@ nix_stat_tx_queue_reset(struct nix *nix, uint16_t qid)
>                 struct nix_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = qid;
>                 aq->ctype = NIX_AQ_CTYPE_SQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -190,6 +199,9 @@ nix_stat_tx_queue_reset(struct nix *nix, uint16_t qid)
>                 struct nix_cn10k_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = qid;
>                 aq->ctype = NIX_AQ_CTYPE_SQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -295,6 +307,9 @@ roc_nix_xstats_get(struct roc_nix *roc_nix, struct roc_nix_xstat *xstats,
>
>         if (roc_model_is_cn9k()) {
>                 req = mbox_alloc_msg_cgx_stats(mbox);
> +               if (!req)
> +                       return -ENOSPC;
> +
>                 req->hdr.pcifunc = roc_nix_get_pf_func(roc_nix);
>
>                 rc = mbox_process_msg(mbox, (void *)&cgx_resp);
> @@ -316,6 +331,9 @@ roc_nix_xstats_get(struct roc_nix *roc_nix, struct roc_nix_xstat *xstats,
>                 }
>         } else {
>                 req = mbox_alloc_msg_rpm_stats(mbox);
> +               if (!req)
> +                       return -ENOSPC;
> +
>                 req->hdr.pcifunc = roc_nix_get_pf_func(roc_nix);
>
>                 rc = mbox_process_msg(mbox, (void *)&rpm_resp);
> diff --git a/drivers/common/cnxk/roc_nix_tm.c b/drivers/common/cnxk/roc_nix_tm.c
> index fe9e83f..a0448be 100644
> --- a/drivers/common/cnxk/roc_nix_tm.c
> +++ b/drivers/common/cnxk/roc_nix_tm.c
> @@ -424,7 +424,7 @@ nix_tm_bp_config_get(struct roc_nix *roc_nix, bool *is_enabled)
>
>         if (req) {
>                 req->num_regs = k;
> -               rc = mbox_process(mbox);
> +               rc = mbox_process_msg(mbox, (void **)&rsp);
>                 if (rc)
>                         goto err;
>                 /* Report it as enabled only if enabled or all */
> @@ -766,6 +766,9 @@ nix_tm_sq_sched_conf(struct nix *nix, struct nix_tm_node *node,
>                 struct nix_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = qid;
>                 aq->ctype = NIX_AQ_CTYPE_SQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> @@ -781,6 +784,9 @@ nix_tm_sq_sched_conf(struct nix *nix, struct nix_tm_node *node,
>                 struct nix_cn10k_aq_enq_req *aq;
>
>                 aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
> +               if (!aq)
> +                       return -ENOSPC;
> +
>                 aq->qidx = qid;
>                 aq->ctype = NIX_AQ_CTYPE_SQ;
>                 aq->op = NIX_AQ_INSTOP_WRITE;
> --
> 2.8.4
>

  reply	other threads:[~2022-01-19 16:44 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-09  9:13 [PATCH 1/8] common/cnxk: fix shift offset for tl3 length disable Nithin Dabilpuram
2021-12-09  9:13 ` [PATCH 2/8] common/cnxk: use for loop in shaper profiles cleanup Nithin Dabilpuram
2022-01-19 16:20   ` Jerin Jacob
2021-12-09  9:13 ` [PATCH 3/8] common/cnxk: change order of frag sizes and infos Nithin Dabilpuram
2022-01-19 16:25   ` Jerin Jacob
2022-01-21 10:03   ` Ferruh Yigit
2021-12-09  9:13 ` [PATCH 4/8] common/cnxk: reset stale values on error debug registers Nithin Dabilpuram
2022-01-19 16:25   ` Jerin Jacob
2021-12-09  9:13 ` [PATCH 5/8] common/cnxk: always use single qint with NIX Nithin Dabilpuram
2022-01-19 16:28   ` Jerin Jacob
2021-12-09  9:13 ` [PATCH 6/8] common/cnxk: handle issues from static analysis Nithin Dabilpuram
2022-01-19 16:44   ` Jerin Jacob [this message]
2022-01-21 10:05   ` Ferruh Yigit
2021-12-09  9:13 ` [PATCH 7/8] net/cnxk: improve inbound inline error handling for cn9k Nithin Dabilpuram
2022-01-21 10:06   ` Ferruh Yigit
2021-12-09  9:13 ` [PATCH 8/8] net/cnxk: synchronize inline session create and destroy Nithin Dabilpuram
2022-01-19 16:45   ` Jerin Jacob
2022-01-19 16:15 ` [PATCH 1/8] common/cnxk: fix shift offset for tl3 length disable Jerin Jacob
2022-01-21 10:08   ` Ferruh Yigit
2022-01-21 10:24     ` Nithin Kumar Dabilpuram
2022-01-21 12:04 ` [PATCH v2 01/10] common/cnxk: fix shift offset for TL3 " Nithin Dabilpuram
2022-01-21 12:04   ` [PATCH v2 02/10] common/cnxk: use for loop in shaper profiles cleanup Nithin Dabilpuram
2022-01-21 12:04   ` [PATCH v2 03/10] common/cnxk: fix byte order of frag sizes and infos Nithin Dabilpuram
2022-01-21 12:04   ` [PATCH v2 04/10] common/cnxk: reset stale values on error debug registers Nithin Dabilpuram
2022-01-21 12:04   ` [PATCH v2 05/10] common/cnxk: always use single interrupt ID with NIX Nithin Dabilpuram
2022-01-21 17:16     ` Kevin Traynor
2022-01-23  7:45       ` Jerin Jacob
2022-01-21 12:04   ` [PATCH v2 06/10] common/cnxk: fix null pointer dereferences Nithin Dabilpuram
2022-01-21 12:04   ` [PATCH v2 07/10] common/cnxk: fix uninitialized variable issues Nithin Dabilpuram
2022-01-21 12:04   ` [PATCH v2 08/10] net/cnxk: improve inbound inline error handling for cn9k Nithin Dabilpuram
2022-01-21 12:04   ` [PATCH v2 09/10] common/cnxk: set UDP ports for IPsec UDP encapsulation Nithin Dabilpuram
2022-01-21 12:04   ` [PATCH v2 10/10] net/cnxk: synchronize inline session create and destroy Nithin Dabilpuram

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