| Message ID | 20230724140036.1022676-4-cuigaosheng1@huawei.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Fix IS_ERR() vs NULL check for drm | expand |
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c index 3276a3e82c62..f7281dd99727 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c @@ -259,7 +259,7 @@ komeda_component_get_avail_scaler(struct komeda_component *c, u32 avail_scalers; pipe_st = komeda_pipeline_get_state(c->pipeline, state); - if (!pipe_st) + if (IS_ERR_OR_NULL(pipe_st)) return NULL; avail_scalers = (pipe_st->active_comps & KOMEDA_PIPELINE_SCALERS) ^
The komeda_pipeline_get_state() returns an ERR_PTR() on failure, and a null is catastrophic here we should use IS_ERR_OR_NULL() to check the return value. Fixes: 502932a03fce ("drm/komeda: Add the initial scaler support for CORE") Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> --- drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)