[PATCH] um: fix a memory leak in the multicast driver
Memory allocated by mcast_user_init must be freed in the matching mcast_remove. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -50,6 +50,14 @@ static void mcast_user_init(void *data, void *dev)
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pri->dev = dev;
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}
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static void mcast_remove(void *data)
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{
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struct mcast_data *pri = data;
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kfree(pri->mcast_addr);
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pri->mcast_addr = NULL;
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}
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static int mcast_open(void *data)
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{
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struct mcast_data *pri = data;
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@ -157,7 +165,7 @@ const struct net_user_info mcast_user_info = {
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.init = mcast_user_init,
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.open = mcast_open,
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.close = mcast_close,
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.remove = NULL,
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.remove = mcast_remove,
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.set_mtu = mcast_set_mtu,
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.add_address = NULL,
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.delete_address = NULL,
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