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| author |   Pan Bian <bianpan2016@163.com> | 2021-01-21 07:37:45 -0800 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2021-01-23 13:34:31 -0800 |
| commit | d8f923c3ab96dbbb4e3c22d1afc1dc1d3b195cd8 (patch) | |
| tree | ab4b25299577a13860e505311b749a68bc197e63 /net/nfc/netlink.c | |
| parent | doc: networking: ip-sysctl: Document conf/all/disable_ipv6 and conf/default/disable_ipv6 (diff) | |
| download | wireguard-linux-d8f923c3ab96dbbb4e3c22d1afc1dc1d3b195cd8.tar.xz wireguard-linux-d8f923c3ab96dbbb4e3c22d1afc1dc1d3b195cd8.zip | |
NFC: fix possible resource leak
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>
Link: https://lore.kernel.org/r/20210121153745.122184-1-bianpan2016@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/nfc/netlink.c')
| -rw-r--r-- | net/nfc/netlink.c | 1 |
1 files changed, 1 insertions, 0 deletions
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; } |