Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
[firefly-linux-kernel-4.4.55.git] / kernel / compat.c
index 24f00610c575fd5d34c40dcf9fad35b358596c22..333d364be29d9e6c8b209d9eaded9d28552a36d7 100644 (file)
@@ -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;
                        }