Checkpatch reports: CHECK: struct mutex definition without comment. Fix this by documenting what rx_mutex struct is used for in pi433 driver. Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@xxxxxxxxx> --- v4: wrap changelog comments at 72 columns where possible (Req: Greg k-h) v3: wrote a more succinct desc so it doesn't become out-of-date (Req: Greg k-h) v2: ellaborate on reasons why the mutex lock is used in driver (Req: Greg k-h) v1: https://lore.kernel.org/lkml/20211222093626.GA13332@localhost.localdomain/ --- drivers/staging/pi433/pi433_if.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c index 29bd37669059..68c09fa016ed 100644 --- a/drivers/staging/pi433/pi433_if.c +++ b/drivers/staging/pi433/pi433_if.c @@ -92,7 +92,7 @@ struct pi433_device { u32 rx_bytes_to_drop; u32 rx_bytes_dropped; unsigned int rx_position; - struct mutex rx_lock; + struct mutex rx_lock; /* protects rx_* variable accesses */ wait_queue_head_t rx_wait_queue; /* fifo wait queue */ -- 2.25.4
