Messages in this thread Patch in this message | | | From | Alexander Shishkin <> | Subject | [GIT PULL 2/7] intel_th: msu: Fix an uninitialized mutex | Date | Mon, 28 Oct 2019 09:06:46 +0200 |
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Commit 615c164da0eb ("intel_th: msu: Introduce buffer interface") added a mutex that it forgot to initialize, resulting in a lockdep splat.
Fix that by initializing the mutex statically.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/hwtracing/intel_th/msu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c index fc9f15f36ad4..51021020fa3f 100644 --- a/drivers/hwtracing/intel_th/msu.c +++ b/drivers/hwtracing/intel_th/msu.c @@ -164,7 +164,7 @@ struct msc { }; static LIST_HEAD(msu_buffer_list); -static struct mutex msu_buffer_mutex; +static DEFINE_MUTEX(msu_buffer_mutex); /** * struct msu_buffer_entry - internal MSU buffer bookkeeping -- 2.23.0
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