[PATCH] NFC: fix possible resource leak

[PATCH] NFC: fix possible resource leak

[Pan Bian]

Put the device to avoid resource leak on path that the polling flag is
invalid.

Fixes: a831b9132065 ("NFC: Do not return EBUSY when stopping a poll that's already stopped")
Signed-off-by: Pan Bian <bianpan2016@163.com>
---
 net/nfc/netlink.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 573b38ad2f8e..e161ef2d4720 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -852,6 +852,7 @@ static int nfc_genl_stop_poll(struct sk_buff *skb, struct genl_info *info)
 
 	if (!dev->polling) {
 		device_unlock(&dev->dev);
+		nfc_put_device(dev);
 		return -EINVAL;
 	}
 
-- 
2.17.1

Re: [PATCH] NFC: fix possible resource leak

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Thu, 21 Jan 2021 07:37:45 -0800 you wrote:
> Put the device to avoid resource leak on path that the polling flag is
> invalid.
> 
> Fixes: a831b9132065 ("NFC: Do not return EBUSY when stopping a poll that's already stopped")
> Signed-off-by: Pan Bian <bianpan2016@163.com>
> ---
>  net/nfc/netlink.c | 1 +
>  1 file changed, 1 insertion(+)

Here is the summary with links:
  - NFC: fix possible resource leak
    https://git.kernel.org/netdev/net/c/d8f923c3ab96

You are awesome, thank you!
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