Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-17 09:31:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

usb: gadget: s3c-hsotg: fix spinlock locking

Browse Source 
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>
This commit is contained in:
Robert Baldyga 2013-11-21 13:49:17 +01:00 committed by Felipe Balbi
parent af9f51c551
commit 93f599f279
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/usb/gadget/s3c-hsotg.c
View File

@ -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);
}
/**