cifs: print error code if smb signature verification fails
While trying to debug a SMB signature related issue with Windows Servers
figured out it might be easier to debug if we print the error code from
cifs_verify_signature(). Also, fix indendation while at it.
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 83867ef..d9b639b 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -503,13 +503,16 @@
/* convert the length into a more usable form */
if (server->sec_mode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
struct kvec iov;
+ int rc = 0;
iov.iov_base = mid->resp_buf;
iov.iov_len = len;
/* FIXME: add code to kill session */
- if (cifs_verify_signature(&iov, 1, server,
- mid->sequence_number + 1) != 0)
- cERROR(1, "Unexpected SMB signature");
+ rc = cifs_verify_signature(&iov, 1, server,
+ mid->sequence_number + 1);
+ if (rc)
+ cERROR(1, "SMB signature verification returned error = "
+ "%d", rc);
}
/* BB special case reconnect tid and uid here? */