drm/radeon/kms: don't allow ERESTART to hit userspace.
the pre-r600 fence code returns ebusy if we get hit by a signal
so we should continue to do that.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 506dd4d..01a8963 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -199,7 +199,7 @@
schedule_timeout(1);
if (intr && signal_pending(current)) {
- ret = -ERESTART;
+ ret = -ERESTARTSYS;
break;
}
}
@@ -225,8 +225,12 @@
return 0;
}
- if (rdev->family >= CHIP_R600)
- return r600_fence_wait(fence, intr, 0);
+ if (rdev->family >= CHIP_R600) {
+ r = r600_fence_wait(fence, intr, 0);
+ if (r == -ERESTARTSYS)
+ return -EBUSY;
+ return r;
+ }
retry:
cur_jiffies = jiffies;