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mlxsw: spectrum: Fix memory leak at skb reallocation
During transmission the skb is checked for headroom in order to
add vendor specific header. In case the skb needs to be re-allocated,
skb_realloc_headroom() is called to make a private copy of the original,
but doesn't release it. Current code assumes that the original skb is
released during reallocation and only releases it at the error path
which causes a memory leak.
Fix this by adding the original skb release to the main path.
Fixes: 56ade8fe3f
("mlxsw: spectrum: Add initial support for Spectrum ASIC")
Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -684,6 +684,7 @@ static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb,
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dev_kfree_skb_any(skb_orig);
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return NETDEV_TX_OK;
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}
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dev_consume_skb_any(skb_orig);
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}
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if (eth_skb_pad(skb)) {
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