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RDMA/core: Fix GID entry ref leak when create_ah fails
author
Saravanan Vajravel
<saravanan.vajravel@broadcom.com>
Sat, 1 Apr 2023 06:34:24 +0000
(23:34 -0700)
committer
Jason Gunthorpe
<jgg@nvidia.com>
Thu, 13 Apr 2023 15:17:32 +0000
(12:17 -0300)
If AH create request fails, release sgid_attr to avoid GID entry
referrence leak reported while releasing GID table
Fixes:
1a1f460ff151
("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>
drivers/infiniband/core/verbs.c
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diff --git
a/drivers/infiniband/core/verbs.c
b/drivers/infiniband/core/verbs.c
index
11b1c16
..
b99b3cc
100644
(file)
--- a/
drivers/infiniband/core/verbs.c
+++ b/
drivers/infiniband/core/verbs.c
@@
-532,6
+532,8
@@
static struct ib_ah *_rdma_create_ah(struct ib_pd *pd,
else
ret = device->ops.create_ah(ah, &init_attr, NULL);
if (ret) {
+ if (ah->sgid_attr)
+ rdma_put_gid_attr(ah->sgid_attr);
kfree(ah);
return ERR_PTR(ret);
}