From 7daff375fa4602934b3b385f83e7ad95d97d86d3 Mon Sep 17 00:00:00 2001 From: Tvrtko Ursulin Date: Wed, 15 Apr 2026 09:32:06 +0100 Subject: [PATCH] dma-fence: Silence sparse warning in dma_fence_describe MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Sparse complains about assigning a string to a __rcu annotated local variable: drivers/dma-buf/dma-fence.c:1040:38: warning: incorrect type in initializer (different address spaces) drivers/dma-buf/dma-fence.c:1040:38: expected char const [noderef] __rcu *timeline drivers/dma-buf/dma-fence.c:1040:38: got char * drivers/dma-buf/dma-fence.c:1041:36: warning: incorrect type in initializer (different address spaces) drivers/dma-buf/dma-fence.c:1041:36: expected char const [noderef] __rcu *driver drivers/dma-buf/dma-fence.c:1041:36: got char * It is harmless but lets silence it. Signed-off-by: Tvrtko Ursulin Fixes: ac364014fd81 ("dma-buf: cleanup dma_fence_describe v3") Cc: Christian König Cc: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linaro-mm-sig@lists.linaro.org Reviewed-by: Christian König Signed-off-by: Tvrtko Ursulin Link: https://lore.kernel.org/r/20260415083207.40513-1-tvrtko.ursulin@igalia.com --- drivers/dma-buf/dma-fence.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index 35afcfcac591..4dbbc9873ee3 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -1021,8 +1021,8 @@ EXPORT_SYMBOL(dma_fence_set_deadline); */ void dma_fence_describe(struct dma_fence *fence, struct seq_file *seq) { - const char __rcu *timeline = ""; - const char __rcu *driver = ""; + const char __rcu *timeline = (const char __rcu *)""; + const char __rcu *driver = (const char __rcu *)""; const char *signaled = ""; rcu_read_lock(); -- 2.47.3