From: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
To: <dev@dpdk.org>
Cc: Nithin Dabilpuram <ndabilpuram@marvell.com>,
Kiran Kumar K <kirankumark@marvell.com>,
Sunil Kumar Kori <skori@marvell.com>,
Satha Rao <skoteshwar@marvell.com>, <jerinj@marvell.com>,
Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Subject: [PATCH 1/3] common/cnxk: check return value for error
Date: Sat, 12 Feb 2022 18:08:18 +0530 [thread overview]
Message-ID: <20220212123820.3394341-1-gmuthukrishn@marvell.com> (raw)
This patch fixes coverity issue by adding checks on return values.
Coverity issue: 373628, 374858, 370213, 370215
Fixes: af75aac78978 ("common/cnxk: support telemetry for NIX")
Fixes: d61138d4f0e ("drivers: remove direct access to interrupt handle")
Fixes: fcdef46b669 ("common/cnxk: support NIX TM debug and misc utils")
Fixes: df405df95ee ("common/cnxk: add NIX TM helper to alloc/free resource")
Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
---
drivers/common/cnxk/cnxk_telemetry_nix.c | 3 +++
drivers/common/cnxk/roc_irq.c | 5 ++++-
drivers/common/cnxk/roc_nix_debug.c | 4 +++-
drivers/common/cnxk/roc_nix_tm.c | 6 ++++--
4 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/common/cnxk/cnxk_telemetry_nix.c b/drivers/common/cnxk/cnxk_telemetry_nix.c
index df6458039d..4119e9ee4f 100644
--- a/drivers/common/cnxk/cnxk_telemetry_nix.c
+++ b/drivers/common/cnxk/cnxk_telemetry_nix.c
@@ -765,6 +765,9 @@ cnxk_nix_tel_handle_info_x(const char *cmd, const char *params,
plt_strlcpy(buf, params, PCI_PRI_STR_SIZE + 1);
name = strtok(buf, ",");
+ if (name == NULL)
+ goto exit;
+
param = strtok(NULL, "\0");
node = nix_tel_node_get_by_pcidev_name(name);
diff --git a/drivers/common/cnxk/roc_irq.c b/drivers/common/cnxk/roc_irq.c
index 7a24297d72..010b121176 100644
--- a/drivers/common/cnxk/roc_irq.c
+++ b/drivers/common/cnxk/roc_irq.c
@@ -160,7 +160,10 @@ dev_irq_register(struct plt_intr_handle *intr_handle, plt_intr_callback_fn cb,
return rc;
}
- plt_intr_efds_index_set(intr_handle, vec, fd);
+ rc = plt_intr_efds_index_set(intr_handle, vec, fd);
+ if (rc)
+ return rc;
+
nb_efd = (vec > (uint32_t)plt_intr_nb_efd_get(intr_handle)) ?
vec : (uint32_t)plt_intr_nb_efd_get(intr_handle);
plt_intr_nb_efd_set(intr_handle, nb_efd);
diff --git a/drivers/common/cnxk/roc_nix_debug.c b/drivers/common/cnxk/roc_nix_debug.c
index d5143882f5..1ae045172e 100644
--- a/drivers/common/cnxk/roc_nix_debug.c
+++ b/drivers/common/cnxk/roc_nix_debug.c
@@ -52,7 +52,9 @@ nix_bitmap_dump(struct plt_bitmap *bmp)
int i;
plt_bitmap_scan_init(bmp);
- plt_bitmap_scan(bmp, &pos, &slab);
+ if (!plt_bitmap_scan(bmp, &pos, &slab))
+ return;
+
start_pos = pos;
nix_dump_no_nl(" \t\t[");
diff --git a/drivers/common/cnxk/roc_nix_tm.c b/drivers/common/cnxk/roc_nix_tm.c
index a0448bec61..517502b1af 100644
--- a/drivers/common/cnxk/roc_nix_tm.c
+++ b/drivers/common/cnxk/roc_nix_tm.c
@@ -1016,8 +1016,10 @@ nix_tm_assign_hw_id(struct nix *nix, struct nix_tm_node *parent,
return -EFAULT;
}
- if (!slab)
- plt_bitmap_scan(bmp, &pos, &slab);
+ if (!slab) {
+ if (!plt_bitmap_scan(bmp, &pos, &slab))
+ return -ENOENT;
+ }
if (child->priority == parent->rr_prio && spare_schq != -1) {
/* Use spare schq first if present */
--
2.25.1
next reply other threads:[~2022-02-12 12:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-12 12:38 Gowrishankar Muthukrishnan [this message]
2022-02-12 12:38 ` [PATCH 2/3] common/cnx: fix unintended sign extension Gowrishankar Muthukrishnan
2022-02-12 12:38 ` [PATCH 3/3] common/cnxk: fix uninitialized pointer read Gowrishankar Muthukrishnan
2022-02-18 4:20 ` [PATCH 1/3] common/cnxk: check return value for error Jerin Jacob
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