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Date: Mon, 24 Jan 2022 19:45:42 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Miroslav Lichvar <mlichvar@...hat.com>, Yangbo Lu <yangbo.lu@....com>, "David S. Miller" <davem@...emloft.net> Subject: [PATCH 5.15 825/846] net: fix sock_timestamping_bind_phc() to release device From: Miroslav Lichvar <mlichvar@...hat.com> commit 2a4d75bfe41232608f5596a6d1369f92ccb20817 upstream. Don't forget to release the device in sock_timestamping_bind_phc() after it was used to get the vclock indices. Fixes: d463126e23f1 ("net: sock: extend SO_TIMESTAMPING for PHC binding") Signed-off-by: Miroslav Lichvar <mlichvar@...hat.com> Cc: Yangbo Lu <yangbo.lu@....com> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- net/core/sock.c | 2 ++ 1 file changed, 2 insertions(+) --- a/net/core/sock.c +++ b/net/core/sock.c @@ -830,6 +830,8 @@ static int sock_timestamping_bind_phc(st } num = ethtool_get_phc_vclocks(dev, &vclock_index); + dev_put(dev); + for (i = 0; i < num; i++) { if (*(vclock_index + i) == phc_index) { match = true;
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