fs: use rlimit helpers

Make sure compiler won't do weird things with limits.  E.g.  fetching them
twice may return 2 different values after writable limits are implemented.

I.e.  either use rlimit helpers added in commit 3e10e716abf3 ("resource:
add helpers for fetching rlimits") or ACCESS_ONCE if not applicable.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index fdd397099172..61dd00a6c7b4 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -247,7 +247,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
          * size limits imposed on them by creating programs with large
          * arrays in the data or bss.
          */
-        rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
+        rlim = rlimit(RLIMIT_DATA);
         if (rlim >= RLIM_INFINITY)
                 rlim = ~0;
         if (ex.a_data + ex.a_bss > rlim)