drivers/gpu/drm/amd/amdgpu/../display/dc/basics/logger.c:73:23-27: WARNING: casting value returned by memory allocation function to (char *) is useless.
Remove casting the values returned by memory allocation functions
like kmalloc, kzalloc, kmem_cache_alloc, kmem_cache_zalloc etc.
Semantic patch information:
This makes an effort to find cases of casting of values returned by
kmalloc, kzalloc, kcalloc, kmem_cache_alloc, kmem_cache_zalloc,
kmem_cache_alloc_node, kmalloc_node and kzalloc_node and removes
the casting as it is not required. The result in the patch case may
need some reformatting.
Generated by: scripts/coccinelle/api/alloc/alloc_cast.cocci
Fixes: 2004f45ef83f ("drm/amd/display: Use kernel alloc/free")
CC: Harry Wentland <harry.wentland@xxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
logger.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/../display/dc/basics/logger.c
+++ b/drivers/gpu/drm/amd/amdgpu/../display/dc/basics/logger.c
@@ -70,7 +70,7 @@ static bool construct(struct dc_context
{
/* malloc buffer and init offsets */
logger->log_buffer_size = DAL_LOGGER_BUFFER_MAX_SIZE;
- logger->log_buffer = (char *)kzalloc(logger->log_buffer_size * sizeof(char),
+ logger->log_buffer = kzalloc(logger->log_buffer_size * sizeof(char),
GFP_KERNEL);
if (!logger->log_buffer)
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