drm/ttm: fix return value check

The function returns the number of swapped pages here. Only abort when we get
a negative error code.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210409130113.1459-1-christian.koenig@amd.com

diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 7dcd3fb..7d47909 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -326,7 +326,7 @@ int ttm_tt_populate(struct ttm_device *bdev,
               ttm_dma32_pages_limit) {
 
                ret = ttm_global_swapout(ctx, GFP_KERNEL);
-               if (ret)
+               if (ret < 0)
                        goto error;
        }