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nfc: s3fwrn5: Fix potential memory leak in s3fwrn5_nci_send()

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s3fwrn5_nci_send() won't free the skb when it failed for the check
before s3fwrn5_write(). As the result, the skb will memleak. Free the
skb when the check failed.

Fixes: c04c674fad ("nfc: s3fwrn5: Add driver for Samsung S3FWRN5 NFC Chip")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Suggested-by: Pavel Machek <pavel@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shang XiaoJing 2022-11-17 19:37:14 +08:00 committed by David S. Miller
parent 614761e111
commit 60dcb5ff55
1 changed files with 1 additions and 0 deletions
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1
drivers/nfc/s3fwrn5/core.c
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@ -105,6 +105,7 @@ static int s3fwrn5_nci_send(struct nci_dev *ndev, struct sk_buff *skb)
mutex_lock(&info->mutex);
if (s3fwrn5_get_mode(info) != S3FWRN5_MODE_NCI) {
kfree_skb(skb);
mutex_unlock(&info->mutex);
return -EINVAL;
}