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authorPan Bian <bianpan2016@163.com>2021-01-21 07:37:45 -0800
committerJakub Kicinski <kuba@kernel.org>2021-01-23 13:34:31 -0800
commitd8f923c3ab96dbbb4e3c22d1afc1dc1d3b195cd8 (patch)
treeab4b25299577a13860e505311b749a68bc197e63 /net/nfc
parentfc024c5c07aa2463d36e8c85943343741ba356b7 (diff)
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')
-rw-r--r--net/nfc/netlink.c1
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;
}