From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Rasesh Mody <rasesh.mody@cavium.com>, dev@dpdk.org
Cc: Dept-EngDPDKDev@cavium.com
Subject: Re: [dpdk-dev] [PATCH 02/21] net/qede/base: fix to set pointers to NULL after freeing
Date: Thu, 2 Mar 2017 13:05:22 +0000 [thread overview]
Message-ID: <677179b8-eb63-d53d-a0a5-e2c136499d3d@intel.com> (raw)
In-Reply-To: <1488181923-9649-2-git-send-email-rasesh.mody@cavium.com>
On 2/27/2017 7:51 AM, Rasesh Mody wrote:
> Set pointers to NULL after freeing the allocations on ecore_resc_free().
>
> Fixes: 26ae839d06e9 ("qede: add DCBX support")
> Fixes: ec94dbc57362 ("qede: add base driver")
>
> Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
> ---
> drivers/net/qede/base/ecore_dcbx.c | 2 +-
> drivers/net/qede/base/ecore_dev.c | 4 ++--
> drivers/net/qede/base/ecore_spq.c | 2 ++
> 3 files changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/qede/base/ecore_dcbx.c b/drivers/net/qede/base/ecore_dcbx.c
> index 7380fd8..9ce6dc4 100644
> --- a/drivers/net/qede/base/ecore_dcbx.c
> +++ b/drivers/net/qede/base/ecore_dcbx.c
> @@ -914,7 +914,7 @@ enum _ecore_status_t ecore_dcbx_info_alloc(struct ecore_hwfn *p_hwfn)
> void ecore_dcbx_info_free(struct ecore_hwfn *p_hwfn,
> struct ecore_dcbx_info *p_dcbx_info)
> {
> - OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_dcbx_info);
> + p_hwfn->p_dcbx_info = OSAL_NULL;
Is replacing free with "NULL assignment" intentional?
>From commit log and other updates in this patch, intention looks like
setting pointers to NULL after freeing them.
> }
>
> static void ecore_dcbx_update_protocol_data(struct protocol_dcb_data *p_data,
> diff --git a/drivers/net/qede/base/ecore_dev.c b/drivers/net/qede/base/ecore_dev.c
> index 0518fc7..15051b6 100644
> --- a/drivers/net/qede/base/ecore_dev.c
> +++ b/drivers/net/qede/base/ecore_dev.c
> @@ -156,6 +156,7 @@ void ecore_resc_free(struct ecore_dev *p_dev)
> p_dev->fw_data = OSAL_NULL;
>
> OSAL_FREE(p_dev, p_dev->reset_stats);
> + p_dev->reset_stats = OSAL_NULL;
Since already a macro used for free, does it make sense to make NULL
assignment part of macro?
next prev parent reply other threads:[~2017-03-02 13:05 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-27 7:51 [dpdk-dev] [PATCH 01/21] net/qede/base: fix incorrect typecasting of flag Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 02/21] net/qede/base: fix to set pointers to NULL after freeing Rasesh Mody
2017-03-02 13:05 ` Ferruh Yigit [this message]
2017-03-18 7:02 ` Mody, Rasesh
2017-02-27 7:51 ` [dpdk-dev] [PATCH 03/21] net/qede/base: fix forcing driver default resc allocation Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 04/21] net/qede/base: fix TM block ILT initialization Rasesh Mody
2017-03-02 13:05 ` Ferruh Yigit
2017-02-27 7:51 ` [dpdk-dev] [PATCH 05/21] net/qede/base: fix printout Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 06/21] net/qede/base: fix VF init after malicious VF FLR Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 07/21] net/qede/base: fix numbering l2 VF queues Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 08/21] net/qede/base: fix printing incorrect index for multi-bit attentions Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 09/21] dev/qede/base: fix to prevent VF promisc Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 10/21] net/qede/base: add attention bits for CHIP_NUM_AH_xxx Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 11/21] net/qede/base: fix printout Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 12/21] net/qede/base: fix DORQ attention mask Rasesh Mody
2017-03-02 13:06 ` Ferruh Yigit
2017-02-27 7:51 ` [dpdk-dev] [PATCH 13/21] net/qede/base: fix out-of-bound memory access Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 14/21] net/qede/base: fix to remove redundant memset Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 15/21] net/qede/base: fix remove the unneeded convertion to LE Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 16/21] net/qede/base: fix first VF index calculation Rasesh Mody
2017-02-27 7:51 ` [dpdk-dev] [PATCH 17/21] net/qede/base: fix typo Rasesh Mody
2017-02-27 7:52 ` [dpdk-dev] [PATCH 18/21] net/qede/base: semantic fix Rasesh Mody
2017-03-02 13:06 ` Ferruh Yigit
2017-02-27 7:52 ` [dpdk-dev] [PATCH 19/21] net/qede/base: fix sriov typo Rasesh Mody
2017-02-27 7:52 ` [dpdk-dev] [PATCH 20/21] net/qede/base: fix the value of RESOURCE_DUMP to 0 Rasesh Mody
2017-03-02 13:07 ` Ferruh Yigit
2017-02-27 7:52 ` [dpdk-dev] [PATCH 21/21] net/qede/base: fix to use NULL pointer Rasesh Mody
2017-03-02 13:04 ` [dpdk-dev] [PATCH 01/21] net/qede/base: fix incorrect typecasting of flag Ferruh Yigit
2017-03-06 20:02 ` Mody, Rasesh
2017-03-18 6:48 ` [dpdk-dev] [PATCH v2 " Rasesh Mody
2017-03-20 17:15 ` Ferruh Yigit
2017-03-18 6:50 ` [dpdk-dev] [PATCH v2 02/21] net/qede/base: fix to set pointers to NULL after freeing Rasesh Mody
2017-03-18 6:50 ` [dpdk-dev] [PATCH v2 03/21] net/qede/base: fix forcing driver default resc allocation Rasesh Mody
2017-03-18 6:50 ` [dpdk-dev] [PATCH v2 04/21] net/qede/base: fix TM block ILT initialization Rasesh Mody
2017-03-18 6:50 ` [dpdk-dev] [PATCH v2 05/21] net/qede/base: fix printout Rasesh Mody
2017-03-18 6:50 ` [dpdk-dev] [PATCH v2 06/21] net/qede/base: fix VF init after malicious VF FLR Rasesh Mody
2017-03-18 6:50 ` [dpdk-dev] [PATCH v2 07/21] net/qede/base: fix numbering L2 VF queues Rasesh Mody
2017-03-18 6:50 ` [dpdk-dev] [PATCH v2 08/21] net/qede/base: fix index printing of multi-bit attentions Rasesh Mody
2017-03-18 6:50 ` [dpdk-dev] [PATCH v2 09/21] net/qede/base: fix to prevent VF promisc config Rasesh Mody
2017-03-18 6:53 ` [dpdk-dev] [PATCH v2 10/21] net/qede/base: add attention bits for AH chip Rasesh Mody
2017-03-18 6:53 ` [dpdk-dev] [PATCH v2 11/21] net/qede/base: fix printout Rasesh Mody
2017-03-18 6:53 ` [dpdk-dev] [PATCH v2 12/21] net/qede/base: fix DORQ attention mask Rasesh Mody
2017-03-18 6:53 ` [dpdk-dev] [PATCH v2 13/21] net/qede/base: fix out-of-bound memory access Rasesh Mody
2017-03-18 6:53 ` [dpdk-dev] [PATCH v2 14/21] net/qede/base: fix to remove redundant memset Rasesh Mody
2017-03-18 6:53 ` [dpdk-dev] [PATCH v2 15/21] net/qede/base: fix remove the unneeded conversion to LE Rasesh Mody
2017-03-18 6:53 ` [dpdk-dev] [PATCH v2 16/21] net/qede/base: fix first VF index calculation Rasesh Mody
2017-03-18 6:53 ` [dpdk-dev] [PATCH v2 17/21] net/qede/base: fix typo Rasesh Mody
2017-03-18 6:53 ` [dpdk-dev] [PATCH v2 18/21] net/qede/base: refactor return path Rasesh Mody
2017-03-18 6:53 ` [dpdk-dev] [PATCH v2 19/21] net/qede/base: fix sriov typo Rasesh Mody
2017-03-18 6:57 ` [dpdk-dev] [PATCH v2 20/21] net/qede/base: fix resource lock minimum value Rasesh Mody
2017-03-18 6:57 ` [dpdk-dev] [PATCH v2 21/21] net/qede/base: fix to use NULL pointer Rasesh Mody
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