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smbdirect: missing rc checks while waiting for rdma events

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commit 0555b22152 upstream.

There were two places where we weren't checking for error
(e.g. ERESTARTSYS) while waiting for rdma resolution.

Addresses-Coverity: 1462165 ("Unchecked return value")
Reviewed-by: Tom Talpey <tom@talpey.com>
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Steve French
2021-06-21 16:25:20 -05:00
committed by Chris
parent 0bfc3c27f6
commit 4e6968e3cf
1 changed files with 12 additions and 2 deletions
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14
fs/cifs/smbdirect.c
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@@ -706,8 +706,13 @@ static struct rdma_cm_id *smbd_create_id(
log_rdma_event(ERR, "rdma_resolve_addr() failed %i\n", rc);
goto out;
}
wait_for_completion_interruptible_timeout(
rc = wait_for_completion_interruptible_timeout(
&info->ri_done, msecs_to_jiffies(RDMA_RESOLVE_TIMEOUT));
/* e.g. if interrupted returns -ERESTARTSYS */
if (rc < 0) {
log_rdma_event(ERR, "rdma_resolve_addr timeout rc: %i\n", rc);
goto out;
}
rc = info->ri_rc;
if (rc) {
log_rdma_event(ERR, "rdma_resolve_addr() completed %i\n", rc);
@@ -720,8 +725,13 @@ static struct rdma_cm_id *smbd_create_id(
log_rdma_event(ERR, "rdma_resolve_route() failed %i\n", rc);
goto out;
}
wait_for_completion_interruptible_timeout(
rc = wait_for_completion_interruptible_timeout(
&info->ri_done, msecs_to_jiffies(RDMA_RESOLVE_TIMEOUT));
/* e.g. if interrupted returns -ERESTARTSYS */
if (rc < 0) {
log_rdma_event(ERR, "rdma_resolve_addr timeout rc: %i\n", rc);
goto out;
}
rc = info->ri_rc;
if (rc) {
log_rdma_event(ERR, "rdma_resolve_route() completed %i\n", rc);