aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/compat.c
diff options
context:
space:
mode:
authorTony Lindgren <tony@atomide.com>2015-06-09 23:37:31 -0700
committerTony Lindgren <tony@atomide.com>2015-06-09 23:37:31 -0700
commit63e63a1981c7247fea41ce97b3144befc8f2fb7b (patch)
tree74a5708579661a741b6c62096530e68aee949273 /kernel/compat.c
parentmmc: omap_hsmmc: Change wake-up interrupt to use generic wakeirq (diff)
parentserial: 8250_omap: Move wake-up interrupt to generic wakeirq (diff)
Merge branch 'wakeirq-8250' into omap-for-v4.2/wakeirq-v2
Diffstat (limited to 'kernel/compat.c')
-rw-r--r--kernel/compat.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/compat.c b/kernel/compat.c
index 24f00610c575..333d364be29d 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -912,7 +912,8 @@ long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
* bitmap. We must however ensure the end of the
* kernel bitmap is zeroed.
*/
- if (nr_compat_longs-- > 0) {
+ if (nr_compat_longs) {
+ nr_compat_longs--;
if (__get_user(um, umask))
return -EFAULT;
} else {
@@ -954,7 +955,8 @@ long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
* We dont want to write past the end of the userspace
* bitmap.
*/
- if (nr_compat_longs-- > 0) {
+ if (nr_compat_longs) {
+ nr_compat_longs--;
if (__put_user(um, umask))
return -EFAULT;
}