[PATCH] fs/smbfs/request.c: turn NULL dereference into BUG()

In a case documented as

  We should never be called with any of these states

BUG() in a case that would later result in a NULL pointer dereference.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/smbfs/request.c b/fs/smbfs/request.c
index 2d85dd7..a0f296d 100644 (file)
--- a/fs/smbfs/request.c
+++ b/fs/smbfs/request.c
@@ -786,8 +786,7 @@ int smb_request_recv(struct smb_sb_info *server)
                /* We should never be called with any of these states */
        case SMB_RECV_END:
        case SMB_RECV_REQUEST:
-               server->rstate = SMB_RECV_END;
-               break;
+               BUG();
        }
 
        if (result < 0) {