net: mscc: ocelot: fix memory leak on ocelot_port_add_txtstamp_skb()

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If ocelot_port_add_txtstamp_skb() fails, for example due to a full PTP
timestamp FIFO, we must undo the skb_clone_sk() call with kfree_skb().
Otherwise, the reference to the skb clone is lost.

Fixes: 52849bcf00 ("net: mscc: ocelot: avoid overflowing the PTP timestamp FIFO")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20241205145519.1236778-2-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Vladimir Oltean 2024-12-05 16:55:15 +02:00 • committed by Jakub Kicinski

parent cdd0b9132d

commit 4b01bec25b

1 changed files with 3 additions and 1 deletions

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drivers/net/ethernet/mscc/ocelot_ptp.c

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