Messages in this thread Patch in this message |  | | From | Yi Yang <> | Subject | [PATCH -next] drm/amd/display: Remove redundant assignment to variable dc | Date | Fri, 16 Dec 2022 18:23:18 +0800 |
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Smatch report warning as follows:
Line 53679: drivers/gpu/drm/amd/display/dc/core/dc_stream.c:402 dc_stream_set_cursor_position() warn: variable dereferenced before check 'stream'
The value of 'dc' has been assigned after check whether 'stream' is NULL. Fix it by remove redundant assignment.
Signed-off-by: Yi Yang <yiyang13@huawei.com> --- drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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 20e534f73513..78d31bb875d1 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -408,7 +408,7 @@ bool dc_stream_set_cursor_position( struct dc_stream_state *stream, const struct dc_cursor_position *position) { - struct dc *dc = stream->ctx->dc; + struct dc *dc; bool reset_idle_optimizations = false; if (NULL == stream) { -- 2.17.1
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