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net: fix sock_timestamping_bind_phc() to release device

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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: d463126e23 ("net: sock: extend SO_TIMESTAMPING for PHC binding")
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Cc: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Miroslav Lichvar
2022-01-11 16:10:53 +01:00
committed by Greg Kroah-Hartman
parent 55d613f5d4
commit 62009fa50c
1 changed files with 2 additions and 0 deletions
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2
net/core/sock.c
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@@ -830,6 +830,8 @@ static int sock_timestamping_bind_phc(struct sock *sk, int phc_index)
} }
num = ethtool_get_phc_vclocks(dev, &vclock_index); num = ethtool_get_phc_vclocks(dev, &vclock_index);
dev_put(dev);
for (i = 0; i < num; i++) { for (i = 0; i < num; i++) {
if (*(vclock_index + i) == phc_index) { if (*(vclock_index + i) == phc_index) {
match = true; match = true;