[PATCH,TRIVIAL] AF_UNIX, accept() and addrlen

From: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
Date: Sat, 8 Mar 2008 02:23:21 +0000

Hello,

Accept and getpeername are supposed to return the amount of bytes
written in the returned address. However, on unnamed sockets, only
sizeof(short) is returned, while a 0 is put in the sun_path member.
This patch adds 1 for that additional byte.

Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>

--- linux/net/unix/af_unix.c.orig 2008-03-08 02:17:40.000000000 +0000
+++ linux/net/unix/af_unix.c 2008-03-08 02:17:54.000000000 +0000
@@ -1274,7 +1274,7 @@ static int unix_getname(struct socket *s
if (!u->addr) {
sunaddr->sun_family = AF_UNIX;
sunaddr->sun_path[0] = 0;
- *uaddr_len = sizeof(short);
+ *uaddr_len = sizeof(short) + 1;
} else {
struct unix_address *addr = u->addr;

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