[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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/socket.c b/net/socket.c
index 01918f7a301a..6c9b9b326d76 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -825,7 +825,7 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
                         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: