[PATCH 02/45] drm/i915/execlists: Use list_safe_reset_next() instead of opencoding

[Chris Wilson]

list.h provides a macro for updating the next element in a safe
list-iter, so let's use it so that it is hopefully clearer to the reader
about the unusual behaviour, and also easier to grep.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/intel_lrc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 67aec8f33c1d..8b412880e88c 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -733,7 +733,7 @@ static void execlists_schedule(struct drm_i915_gem_request *request, int prio)
 			if (prio > READ_ONCE(p->signaler->priority))
 				list_move_tail(&p->dfs_link, &dfs);
 
-		p = list_next_entry(dep, dfs_link);
+		list_safe_reset_next(dep, p, dfs_link);
 		if (!RB_EMPTY_NODE(&pt->node))
 			continue;
 
-- 
2.10.2