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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-28 11:41:51 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-28 18:06:21 +0100 |
| commit | aa45ee8fc0ee87c1711b5fe8eb3556d06530c39e (patch) | |
| tree | 4fd5a65dd1dda67ba8e2c4857bf1c7f5c19edaf8 /arch/arm/mach-u300/gpio.c | |
| 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>
Diffstat (limited to 'arch/arm/mach-u300/gpio.c')
0 files changed, 0 insertions, 0 deletions