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 21:09:30 +0300 |
| commit | c13159a588818a1d2cd6519f4d3b6f7e17a9ffbd (patch) | |
| tree | 94aa6be3999213c01ee761533519da1a82e3f76c | |
| parent | 00d5ac05af3a126e1fbd11a3309478b2b3b0296e (diff) | |
| download | linux-c13159a588818a1d2cd6519f4d3b6f7e17a9ffbd.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>
| -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 217d2b66fa51..74fb499219fa 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; |