commit 609d7fa9565c754428d2520cac2accc9052e1245
author Eric W. Biederman <ebiederm@xmission.com> Mon Oct 02 02:17:15 2006 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Mon Oct 02 07:57:14 2006 -0700
tree 1c5114ec3720166fe99ce3885e8767929a8a84e0
parent bde0d2c98bcfc9acc83ac79c33a6ac1335b95a92

[PATCH] file: modify struct fown_struct to use a struct pid

File handles can be requested to send sigio and sigurg to processes.  By
tracking the destination processes using struct pid instead of pid_t we make
the interface safe from all potential pid wrap around problems.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

net/socket.c

diff --git a/net/socket.c b/net/socket.c
index 01918f7..6c9b9b3 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -825,7 +825,7 @@
 			break;
 		case FIOGETOWN:
 		case SIOCGPGRP:
-			err = put_user(sock->file->f_owner.pid,
+			err = put_user(f_getown(sock->file),
 				       (int __user *)argp);
 			break;
 		case SIOCGIFBR: