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authorHangyu Hua <hbh25y@gmail.com>2022-01-01 01:21:37 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-01-03 14:35:18 +0100
commit89f3594d0de58e8a57d92d497dea9fee3d4b9cda (patch)
treee0563487b84e45c3c0f8b0d1308fef9eb27853b5 /drivers/usb/gadget
parente0d07ba76bd1b074505e4b3b32fe45c3b5d087bd (diff)
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usb: gadget: don't release an existing dev->buf
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/gadget')
-rw-r--r--drivers/usb/gadget/legacy/inode.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index 3b58f4fc0a80..eaad03c0252f 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -1826,8 +1826,9 @@ 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;