diff options
| author |   Steve French <stfrench@microsoft.com> | 2021-06-21 16:25:20 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2021-06-22 12:08:32 -0500 |
| commit | 0555b221528e9cb11f5766dcdee19c809187e42e (patch) | |
| tree | ea24f34e5168d54d98ca0d01a0a2e00fcc6549e1 /fs/cifs | |
| parent | cifs: Avoid field over-reading memcpy() (diff) | |
| download | linux-dev-0555b221528e9cb11f5766dcdee19c809187e42e.tar.xz linux-dev-0555b221528e9cb11f5766dcdee19c809187e42e.zip | |
smbdirect: missing rc checks while waiting for rdma events
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>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/smbdirect.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c index 10dfe5006792..31ef64eb7fbb 100644 --- a/fs/cifs/smbdirect.c +++ b/fs/cifs/smbdirect.c @@ -572,8 +572,13 @@ 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); @@ -586,8 +591,13 @@ 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); |