[SCSI] bfa: protect idr using bfad_mutex
idr is a global resource, protect it with global bfad_mutex.
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
index 0baeaba..d4fc428 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -33,7 +33,7 @@
#include <fcb/bfa_fcb.h>
BFA_TRC_FILE(LDRV, BFAD);
-static DEFINE_MUTEX(bfad_mutex);
+DEFINE_MUTEX(bfad_mutex);
LIST_HEAD(bfad_list);
static int bfad_inst;
int bfad_supported_fc4s;