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-rw-r--r--drivers/staging/gpib/agilent_82357a/agilent_82357a.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/gpib/agilent_82357a/agilent_82357a.c b/drivers/staging/gpib/agilent_82357a/agilent_82357a.c
index 02c6ec9a42a0..a6b177d7f8a0 100644
--- a/drivers/staging/gpib/agilent_82357a/agilent_82357a.c
+++ b/drivers/staging/gpib/agilent_82357a/agilent_82357a.c
@@ -19,7 +19,7 @@ MODULE_DESCRIPTION("GPIB driver for Agilent 82357A/B usb adapters");
#define MAX_NUM_82357A_INTERFACES 128
static struct usb_interface *agilent_82357a_driver_interfaces[MAX_NUM_82357A_INTERFACES];
-DEFINE_MUTEX(agilent_82357a_hotplug_lock);
+DEFINE_MUTEX(agilent_82357a_hotplug_lock); // protect board insertion and removal
static unsigned int agilent_82357a_update_status(gpib_board_t *board, unsigned int clear_mask);