anysee_usb_mutex is initialized at every time the anysee device
is probed. If the second anysee device is probed while anysee_usb_mutex
is locked by the first anysee device, the mutex is broken.
This patch fixes by initialize anysee_usb_mutex statically rather
than initialize at probe time.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: v4l-dvb-maintainer@linuxtv.org
---
drivers/media/dvb/dvb-usb/anysee.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
Index: 2.6-git/drivers/media/dvb/dvb-usb/anysee.c
===================================================================
--- 2.6-git.orig/drivers/media/dvb/dvb-usb/anysee.c
+++ 2.6-git/drivers/media/dvb/dvb-usb/anysee.c
@@ -43,7 +43,7 @@ module_param_named(debug, dvb_usb_anysee
MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
-static struct mutex anysee_usb_mutex;
+static DEFINE_MUTEX(anysee_usb_mutex);
static int anysee_ctrl_msg(struct dvb_usb_device *d, u8 *sbuf, u8 slen,
u8 *rbuf, u8 rlen)
@@ -436,8 +436,6 @@ static int anysee_probe(struct usb_inter
struct usb_host_interface *alt;
int ret;
- mutex_init(&anysee_usb_mutex);
-
/* There is one interface with two alternate settings.
Alternate setting 0 is for bulk transfer.
Alternate setting 1 is for isochronous transfer.
--
