Commit 037776fc authored Jun 01, 2010 by Denis Kirjanov Committed by Linus Torvalds Jun 01, 2010

AFS: Fix possible null pointer dereference in afs_alloc_server()



Fix a possible null pointer dereference in afs_alloc_server(): the server
pointer is NULL if there was an allocation failure, and under such a
condition, we can't dereference it in the _leave() statement.

Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 5c113fbe

fs/afs/server.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -91,9 +91,10 @@ static struct afs_server afs_alloc_server(struct afs_cell cell,

		memcpy(&server->addr, addr, sizeof(struct in_addr));
		server->addr.s_addr = addr->s_addr;
		}

		_leave(" = %p{%d}", server, atomic_read(&server->usage));
		} else {
		_leave(" = NULL [nomem]");
		}
		return server;
		}