Messages in this thread Patch in this message | | | From | Pan Bian <> | Subject | [PATCH] netlink: fix double drop dev reference | Date | Wed, 6 Nov 2019 20:05:43 +0800 |
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The function nfc_put_device(dev) is called twice to drop the reference to dev when there is no associated local llcp. Remove one of them to fix the bug.
Signed-off-by: Pan Bian <bianpan2016@163.com> --- net/nfc/netlink.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index 17e6ca62f1be..afde0d763039 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -1099,7 +1099,6 @@ static int nfc_genl_llc_set_params(struct sk_buff *skb, struct genl_info *info) local = nfc_llcp_find_local(dev); if (!local) { - nfc_put_device(dev); rc = -ENODEV; goto exit; } @@ -1159,7 +1158,6 @@ static int nfc_genl_llc_sdreq(struct sk_buff *skb, struct genl_info *info) local = nfc_llcp_find_local(dev); if (!local) { - nfc_put_device(dev); rc = -ENODEV; goto exit; } -- 2.7.4
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