From 2202e15b2b1a946ce760d96748cd7477589701ab Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 4 Nov 2021 13:27:06 +0100
Subject: [PATCH] kernel/locking: Use a pointer in ww_mutex_trylock().
Git-commit: 2202e15b2b1a946ce760d96748cd7477589701ab
Patch-mainline: v5.17-rc1
References: git-fixes
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@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20211104122706.frk52zxbjorso2kv@linutronix.de
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 0e00205cf467..d1473c624105 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;
}
--
2.31.1