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authorsantosh.shilimkar@oracle.com <santosh.shilimkar@oracle.com>2015-08-22 15:45:22 -0700
committerDavid S. Miller <davem@davemloft.net>2015-08-25 13:35:29 -0700
commit1d2e3f396c532b95a37bbee92269f37efe908457 (patch)
tree333d436a1ea25be685df37c11caa288112136312
parent43e122b014c955a33220fabbd09c4b5e4f422c3c (diff)
downloadop-kernel-dev-1d2e3f396c532b95a37bbee92269f37efe908457.zip
op-kernel-dev-1d2e3f396c532b95a37bbee92269f37efe908457.tar.gz
RDS: restore return value in rds_cmsg_rdma_args()
In rds_cmsg_rdma_args() 'ret' is used by rds_pin_pages() which returns number of pinned pages on success. And the same value is returned to the caller of rds_cmsg_rdma_args() on success which is not intended. Commit f4a3fc03c1d7 ("RDS: Clean up error handling in rds_cmsg_rdma_args") removed the 'ret = 0' line which broke RDS RDMA mode. Fix it by restoring the return value on rds_pin_pages() success keeping the clean-up in place. Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/rds/rdma.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 40084d8..6401b50 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -658,6 +658,8 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
ret = rds_pin_pages(iov->addr, nr, pages, !op->op_write);
if (ret < 0)
goto out;
+ else
+ ret = 0;
rdsdebug("RDS: nr_bytes %u nr %u iov->bytes %llu iov->addr %llx\n",
nr_bytes, nr, iov->bytes, iov->addr);
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