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| author | Robert Baldyga <r.baldyga@samsung.com> | 2013-11-21 13:49:17 +0100 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-11-25 17:25:57 +0100 |
| commit | 93f599f279ab56b1761c76e53f9753b26aeefe9e (patch) | |
| tree | d790d1312d54076a798eee95596480bee0f43a08 /drivers/usb | |
| parent | usb: phy: generic: fix how we find out about our resources (diff) | |
| download | linux-93f599f279ab56b1761c76e53f9753b26aeefe9e.tar.xz linux-93f599f279ab56b1761c76e53f9753b26aeefe9e.zip | |
usb: gadget: s3c-hsotg: fix spinlock locking
This patch adds missing spinlock locking in s3c_hsotg_complete_setup function,
and unlocking for gadget setup call.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/s3c-hsotg.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index 9875d9c0823f..56fad76baa53 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -1245,7 +1245,9 @@ static void s3c_hsotg_process_control(struct s3c_hsotg *hsotg, /* as a fallback, try delivering it to the driver to deal with */ if (ret == 0 && hsotg->driver) { + spin_unlock(&hsotg->lock); ret = hsotg->driver->setup(&hsotg->gadget, ctrl); + spin_lock(&hsotg->lock); if (ret < 0) dev_dbg(hsotg->dev, "driver->setup() ret %d\n", ret); } @@ -1308,10 +1310,12 @@ static void s3c_hsotg_complete_setup(struct usb_ep *ep, return; } + spin_lock(&hsotg->lock); if (req->actual == 0) s3c_hsotg_enqueue_setup(hsotg); else s3c_hsotg_process_control(hsotg, req->buf); + spin_unlock(&hsotg->lock); } /** |