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

[Adrian Bunk <bunk@stusta.de>]

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>

---

This patch was already sent on:
- 15 Jul 2005
- 26 Mar 2005

--- linux-2.6.12-rc1-mm3-full/fs/smbfs/request.c.old	2005-03-26 13:19:19.000000000 +0100
+++ linux-2.6.12-rc1-mm3-full/fs/smbfs/request.c	2005-03-26 13:41:30.000000000 +0100
@@ -786,8 +642,7 @@ int smb_request_recv(struct smb_sb_info 
 		/* 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) {
-
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