[U-Boot] [PATCH] driver: net: fsl-mc: Check NULL before pointer dereference

NULL pointer should be checked before any dereference. This patch move memest after the NULL pointer check.
Signed-off-by: Prabhakar Kushwaha prabhakar.kushwaha@nxp.com Reported-by: Jose Rivera german.rivera@nxp.com --- drivers/net/fsl-mc/dpio/qbman_sys.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/fsl-mc/dpio/qbman_sys.h b/drivers/net/fsl-mc/dpio/qbman_sys.h index 235d641..7a537fb 100644 --- a/drivers/net/fsl-mc/dpio/qbman_sys.h +++ b/drivers/net/fsl-mc/dpio/qbman_sys.h @@ -255,11 +255,11 @@ static inline int qbman_swp_sys_init(struct qbman_swp_sys *s, s->addr_cena = d->cena_bar; s->addr_cinh = d->cinh_bar; s->cena = (void *)valloc(CONFIG_SYS_PAGE_SIZE); - memset((void *)s->cena, 0x00, CONFIG_SYS_PAGE_SIZE); if (!s->cena) { printf("Could not allocate page for cena shadow\n"); return -1; } + memset((void *)s->cena, 0x00, CONFIG_SYS_PAGE_SIZE);
#ifdef QBMAN_CHECKING /* We should never be asked to initialise for a portal that isn't in

On 03/18/2016 03:46 AM, Prabhakar Kushwaha wrote:
NULL pointer should be checked before any dereference. This patch move memest after the NULL pointer check.
Signed-off-by: Prabhakar Kushwaha prabhakar.kushwaha@nxp.com Reported-by: Jose Rivera german.rivera@nxp.com
drivers/net/fsl-mc/dpio/qbman_sys.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Applied to u-boot-fsl-qoriq master. Awaiting upstream.
Thanks.
York
participants (2)
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Prabhakar Kushwaha
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York Sun