diff options
| author | Hangyu Hua <hbh25y@gmail.com> | 2021-12-31 20:21:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-03-08 21:12:31 +0300 |
| commit | 07de9a494b5ae41b9253411a8e9576d7fceedcc3 (patch) | |
| tree | a4a80fa00148f73edcd8737fd0c717aa6fb8e998 /drivers/usb | |
| parent | a1ba98731518b811ff90009505c1aebf6e400bc2 (diff) | |
| download | linux-07de9a494b5ae41b9253411a8e9576d7fceedcc3.tar.xz | |
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/usb')
| -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 1b223cba4c2c..a6bc13c923b7 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1829,8 +1829,9 @@ 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; |