On 4/14/26 17:49, Tvrtko Ursulin wrote:

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 tvrtko.ursulin@igalia.com Fixes: ac364014fd81 ("dma-buf: cleanup dma_fence_describe v3") Cc: Christian König christian.koenig@amd.com Cc: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linaro-mm-sig@lists.linaro.org

Reviewed-by: Christian König christian.koenig@amd.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 1826ba73094c..a2aa82f4eedd 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -1037,8 +1037,8 @@ 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();