[media] vb2: don't free alloc context if it is ERR_PTR
Don't try to free a pointer containing an ERR_PTR().
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c
index c4305bf..0bfc488 100644
--- a/drivers/media/v4l2-core/videobuf2-dma-contig.c
+++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c
@@ -854,7 +854,8 @@
void vb2_dma_contig_cleanup_ctx(void *alloc_ctx)
{
- kfree(alloc_ctx);
+ if (!IS_ERR_OR_NULL(alloc_ctx))
+ kfree(alloc_ctx);
}
EXPORT_SYMBOL_GPL(vb2_dma_contig_cleanup_ctx);