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IB/hns: fix memory leak on ah on error return path

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When dmac is NULL, ah is not being freed on the error return path. Fix
this by kfree'ing it.

Detected by CoverityScan, CID#1452636 ("Resource Leak")

Fixes: d8966fcd4c ("IB/core: Use rdma_ah_attr accessor functions")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Colin Ian King 2017-08-08 18:41:02 +01:00 committed by Doug Ledford
parent aa939c12ab
commit 5b59a3969e
1 changed files with 3 additions and 1 deletions
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4
drivers/infiniband/hw/hns/hns_roce_ah.c
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@ -64,8 +64,10 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd,
} else {
u8 *dmac = rdma_ah_retrieve_dmac(ah_attr);
if (!dmac)
if (!dmac) {
kfree(ah);
return ERR_PTR(-EINVAL);
}
memcpy(ah->av.mac, dmac, ETH_ALEN);
}