[CIFS] fix error in smb_send2

smb_send2 exit logic was strange, and with the previous change
could cause us to fail large
smb writes when all of the smb was not sent as one chunk.

Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index ba4d66644eb..ff8243a8fe3 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -290,8 +290,11 @@ smb_send2(struct TCP_Server_Info *server, struct kvec *iov, int n_vec,
                 if (rc < 0)
                         break;
 
-                if (rc >= total_len) {
-                        WARN_ON(rc > total_len);
+                if (rc == total_len) {
+                        total_len = 0;
+                        break;
+                } else if (rc > total_len) {
+                        cERROR(1, ("sent %d requested %d", rc, total_len));
                         break;
                 }
                 if (rc == 0) {