dma-fence: Fix safe access wrapper to call timeline name method

akagoe01 · tursulin · commit 033559473dd3 · 2025-10-24T16:56:37.000+01:00
This commit fixes the wrapper function dma_fence_timeline_name(), that was added for safe access, to actually call the timeline name method of dma_fence_ops. Cc: <stable@vger.kernel.org> # v6.17+ Signed-off-by: Akash Goel <akash.goel@arm.com> Fixes: 506aa8b ("dma-fence: Add safe access helpers and document the rules") Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com> Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net> Link: https://lore.kernel.org/r/20251021160951.1415603-1-akash.goel@arm.com
diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
@@ -1141,7 +1141,7 @@ const char __rcu *dma_fence_timeline_name(struct dma_fence *fence)
 			 "RCU protection is required for safe access to returned string");
 
 	if (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
-		return fence->ops->get_driver_name(fence);
+		return fence->ops->get_timeline_name(fence);
 	else
 		return "signaled-timeline";
 }

Original file line number	Diff line number	Diff line change
`@@ -1141,7 +1141,7 @@ const char __rcu dma_fence_timeline_name(struct dma_fence fence)`
`1141`	`1141`	`"RCU protection is required for safe access to returned string");`
`1142`	`1142`
`1143`	`1143`	`if (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))`
`1144`		`- return fence->ops->get_driver_name(fence);`
	`1144`	`+ return fence->ops->get_timeline_name(fence);`
`1145`	`1145`	`else`
`1146`	`1146`	`return "signaled-timeline";`
`1147`	`1147`	`}`