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chelsio/chtls: fix always leaking ctrl_skb 

[ Upstream commit dbfe394dad ]

Correct skb refcount in alloc_ctrl_skb(), causing skb memleak
when chtls_send_abort() called with NULL skb.
it was always leaking the skb, correct it by incrementing skb
refs by one.

Fixes: cc35c88ae4 ("crypto : chtls - CPL handler definition")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Link: https://lore.kernel.org/r/20201102173909.24826-1-vinay.yadav@chelsio.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vinay Kumar Yadav 2020-11-02 23:09:10 +05:30 committed by Greg Kroah-Hartman
parent 14d755a481
commit 7bf7b7c385
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/chelsio/chtls/chtls_cm.c
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@ -174,7 +174,7 @@ static struct sk_buff *alloc_ctrl_skb(struct sk_buff *skb, int len)
{
if (likely(skb && !skb_shared(skb) && !skb_cloned(skb))) {
__skb_trim(skb, 0);
refcount_add(2, &skb->users);
refcount_inc(&skb->users);
} else {
skb = alloc_skb(len, GFP_KERNEL | __GFP_NOFAIL);
}