Commit 9c46c49a authored Mar 31, 2023 by Saravanan Vajravel Committed by Greg Kroah-Hartman Apr 20, 2023

RDMA/core: Fix GID entry ref leak when create_ah fails

[ Upstream commit aca3b0fa3d04b40c96934d86cc224cccfa7ea8e0 ]

If AH create request fails, release sgid_attr to avoid GID entry
referrence leak reported while releasing GID table

Fixes: 1a1f460f ("RDMA: Hold the sgid_attr inside the struct ib_ah/qp")
Link: https://lore.kernel.org/r/20230401063424.342204-1-saravanan.vajravel@broadcom.com


Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent ad831a70

drivers/infiniband/core/verbs.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -521,6 +521,8 @@ static struct ib_ah _rdma_create_ah(struct ib_pd pd,

		ret = device->ops.create_ah(ah, ah_attr, flags, udata);
		if (ret) {
		if (ah->sgid_attr)
		rdma_put_gid_attr(ah->sgid_attr);
		kfree(ah);
		return ERR_PTR(ret);
		}