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| author | Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> | 2016-03-18 16:16:03 +0530 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2016-03-29 08:46:01 -0700 |
| commit | b576d325acbcbe05d712e3a995b4ce6689eb96c5 (patch) | |
| tree | fc43c17965c8d577bea1d8ac290612f1e352eced | |
| parent | cd7b3fbcf46844230ad664884c18d0281a4a31d7 (diff) | |
| download | u-boot-imx-b576d325acbcbe05d712e3a995b4ce6689eb96c5.zip u-boot-imx-b576d325acbcbe05d712e3a995b4ce6689eb96c5.tar.gz u-boot-imx-b576d325acbcbe05d712e3a995b4ce6689eb96c5.tar.bz2 | |
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>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: York Sun <york.sun@nxp.com>
| -rw-r--r-- | drivers/net/fsl-mc/dpio/qbman_sys.h | 2 |
1 files changed, 1 insertions, 1 deletions
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 |