[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>
diff --git a/fs/dnotify.c b/fs/dnotify.c
index f932591..2b0442d 100644
--- a/fs/dnotify.c
+++ b/fs/dnotify.c
@@ -92,7 +92,7 @@
prev = &odn->dn_next;
}
- error = f_setown(filp, current->pid, 0);
+ error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0);
if (error)
goto out_free;