Use kmemdup rather than duplicating its implementation.
Detected by coccinelle.
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index a002e690814f..b166c732b532 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -167,12 +167,11 @@ struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream)
{
struct dc_stream_state *new_stream;
- new_stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
+ new_stream = kmemdup(stream, sizeof(struct dc_stream_state),
+ GFP_KERNEL);
if (!new_stream)
return NULL;
- memcpy(new_stream, stream, sizeof(struct dc_stream_state));
-
if (new_stream->sink)
dc_sink_retain(new_stream->sink);
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