From: kernel test robot <lkp(a)intel.com&gt; Remove unneeded variable used to store return value. Generated by: scripts/coccinelle/misc/returnvar.cocci CC: John Stultz <john.stultz(a)linaro.org&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: Julia Lawall <julia.lawall(a)inria.fr&gt; --- url: https://github.com/0day-ci/linux/commits/John-Stultz/dma-buf-Performance-... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bcf876870b95592b52519ed4aafcf9d95999bc9c :::::: branch date: 6 hours ago :::::: commit date: 6 hours ago Minor issue... cma_heap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/dma-buf/heaps/cma_heap.c +++ b/drivers/dma-buf/heaps/cma_heap.c @@ -116,7 +116,6 @@ static int cma_heap_dma_buf_begin_cpu_ac { struct cma_heap_buffer *buffer = dmabuf->priv; struct dma_heap_attachment *a; - int ret = 0; if (buffer->vmap_cnt) invalidate_kernel_vmap_range(buffer->vaddr, buffer->len); @@ -128,7 +127,7 @@ static int cma_heap_dma_buf_begin_cpu_ac } mutex_unlock(&buffer->lock); - return ret; + return 0; } static int cma_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf,