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net/bnxt: fix a potential null pointer dereference

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Fix a potential null pointer reported by Coverity.

Coverity issue: 195001
Fixes: 5ef3b79fdf ("net/bnxt: support flow filter ops")

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
This commit is contained in:
Ajit Khaparde 2017-10-24 16:19:46 -05:00 committed by Ferruh Yigit
parent 9c7b024296
commit 1498060ffb
1 changed files with 4 additions and 0 deletions
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4
drivers/net/bnxt/bnxt_ethdev.c
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@ -1728,10 +1728,12 @@ bnxt_match_and_validate_ether_filter(struct bnxt *bp,
RTE_LOG(ERR, PMD, "unsupported ether_type(0x%04x) in"
" ethertype filter.", efilter->ether_type);
*ret = -EINVAL;
goto exit;
}
if (efilter->queue >= bp->rx_nr_rings) {
RTE_LOG(ERR, PMD, "Invalid queue %d\n", efilter->queue);
*ret = -EINVAL;
goto exit;
}
vnic0 = STAILQ_FIRST(&bp->ff_pool[0]);
@ -1739,6 +1741,7 @@ bnxt_match_and_validate_ether_filter(struct bnxt *bp,
if (vnic == NULL) {
RTE_LOG(ERR, PMD, "Invalid queue %d\n", efilter->queue);
*ret = -EINVAL;
goto exit;
}
if (efilter->flags & RTE_ETHTYPE_FLAGS_DROP) {
@ -1767,6 +1770,7 @@ bnxt_match_and_validate_ether_filter(struct bnxt *bp,
if (match)
*ret = -EEXIST;
exit:
return mfilter;
}