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path: root/drivers/staging/pi433/pi433_if.c
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Diffstat (limited to 'drivers/staging/pi433/pi433_if.c')
-rw-r--r--drivers/staging/pi433/pi433_if.c2
1 files changed, 1 insertions, 1 deletions
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 */