[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/file_table.c b/fs/file_table.c
index bc35a40..24f25a0 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -174,6 +174,7 @@
fops_put(file->f_op);
if (file->f_mode & FMODE_WRITE)
put_write_access(inode);
+ put_pid(file->f_owner.pid);
file_kill(file);
file->f_dentry = NULL;
file->f_vfsmnt = NULL;