i915_dma_map_single relies on dma_mapping_error, which returns positive
error codes. Found by static checker.
Introduced by commit 678d96fbb3b5995a2fdff2bca5e1ab4a40b7e968
("drm/i915: Track GEN6 page table usage").
Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
Signed-off-by: Michel Thierry <michel.thierry@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 645c363..79ade6f 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -348,7 +348,7 @@ static struct i915_page_table_entry *alloc_pt_single(struct drm_device *dev)
goto fail_page;
ret = i915_dma_map_single(pt, dev);
- if (ret)
+ if (ret != 0)
goto fail_dma;
return pt;
--
2.1.1
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
