| commit | aa45ee8fc0ee87c1711b5fe8eb3556d06530c39e | [log] [tgz] |
|---|---|---|
| author | Russell King <rmk+kernel@arm.linux.org.uk> | Mon Sep 28 11:41:51 2009 +0100 |
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | Mon Sep 28 18:06:21 2009 +0100 |
| tree | 4fd5a65dd1dda67ba8e2c4857bf1c7f5c19edaf8 | |
| parent | 90140c30a7b8c77e8872a389d48678d78e58789f [diff] |
ARM: Ensure do_cache_op takes mmap_sem do_cache_op() uses find_vma() to validate its arguments without holding any locking. This means that the VMA could vanish beneath us. Fix this by taking a read lock on mmap_sem. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>