[PATCH] kernel/locking: Use a pointer in ww_mutex_trylock().

Sebastian Andrzej Siewior bigeasy at linutronix.de
Thu Nov 4 12:27:06 UTC 2021


mutex_acquire_nest() expects a pointer, pass the pointer.

Fixes: 12235da8c80a1 ("kernel/locking: Add context to ww_mutex_trylock()")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
---

Not sure why I haven't seen this earlier…

 kernel/locking/ww_rt_mutex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/locking/ww_rt_mutex.c b/kernel/locking/ww_rt_mutex.c
index 0e00205cf467a..d1473c624105c 100644
--- a/kernel/locking/ww_rt_mutex.c
+++ b/kernel/locking/ww_rt_mutex.c
@@ -26,7 +26,7 @@ int ww_mutex_trylock(struct ww_mutex *lock, struct ww_acquire_ctx *ww_ctx)
 
 	if (__rt_mutex_trylock(&rtm->rtmutex)) {
 		ww_mutex_set_context_fastpath(lock, ww_ctx);
-		mutex_acquire_nest(&rtm->dep_map, 0, 1, ww_ctx->dep_map, _RET_IP_);
+		mutex_acquire_nest(&rtm->dep_map, 0, 1, &ww_ctx->dep_map, _RET_IP_);
 		return 1;
 	}
 
-- 
2.33.1



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