gpu/drm: Fix lock held when returning to user space.

[platform/kernel/linux-exynos.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index d330b1c..3ad00bf 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2708,6 +2708,8 @@ static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int
                        bool neg;
 
                        left -= proc_skip_spaces(&p);
+                       if (!left)
+                               break;
 
                        err = proc_get_long(&p, &left, &val, &neg,
                                             proc_wspace_sep,