drm: use format %d to print error code

It is more readable by printing "ret = -1" than "ret = 0xffffffff"

Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 8a9d079..946bd91 100644 (file)
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -486,7 +486,7 @@ long drm_ioctl(struct file *filp,
                kfree(kdata);
        atomic_dec(&dev->ioctl_count);
        if (retcode)
-               DRM_DEBUG("ret = %x\n", retcode);
+               DRM_DEBUG("ret = %d\n", retcode);
        return retcode;
 }