diff options
| author | Hangyu Hua <hbh25y@gmail.com> | 2022-01-01 01:21:37 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-03-08 19:04:06 +0100 |
| commit | 70196d12856306a17ddc3eae0f022b9c1d748e52 (patch) | |
| tree | e8e0859e2be27853c8539beda8b49a268d6a03a2 /drivers | |
| parent | 4e54c0b928affb7e91bdcec44bacec7b2b420d2f (diff) | |
usb: gadget: don't release an existing dev->buf
commit 89f3594d0de58e8a57d92d497dea9fee3d4b9cda upstream.
dev->buf does not need to be released if it already exists before
executing dev_config.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Link: https://lore.kernel.org/r/20211231172138.7993-2-hbh25y@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/legacy/inode.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index a456267b6b78..94012eca0ccb 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1828,8 +1828,9 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) spin_lock_irq (&dev->lock); value = -EINVAL; if (dev->buf) { + spin_unlock_irq(&dev->lock); kfree(kbuf); - goto fail; + return value; } dev->buf = kbuf; |