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Subject[PATCH 1/1] USB: inode.c: fix unbalanced spin_lock in ep0_write
Date
Fix bad unlock balance: ep0_write enter with the locks locked from inode.c:1769,
hence it must exit with spinlock held to avoid double unlock in dev_config.

Signed-off-by: David Eccher <d.eccher@gmail.com>
---
drivers/usb/gadget/legacy/inode.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index f454c7a..b968c25 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -1144,6 +1144,7 @@ ep0_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
} else
retval = len;

+ spin_lock_irq (&dev->lock);
return retval;
}

--
1.8.1.2


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