drm: drm_rmdraw: Declare id and idx as signed so testing for < 0 works as intended.

Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/char/drm/drm_drawable.c b/drivers/char/drm/drm_drawable.c
index ce7a027b0ad4..de37d5f74563 100644
--- a/drivers/char/drm/drm_drawable.c
+++ b/drivers/char/drm/drm_drawable.c
@@ -132,7 +132,8 @@ int drm_rmdraw(DRM_IOCTL_ARGS)
 {
         DRM_DEVICE;
         drm_draw_t draw;
-        unsigned int id, idx, shift;
+        int id, idx;
+        unsigned int shift;
         unsigned long irqflags;
         u32 *bitfield = dev->drw_bitfield;
         unsigned int bitfield_length = dev->drw_bitfield_length;