net: add __must_check to skb_put_padto()
[ Upstream commit 4a009cb04a
]
skb_put_padto() and __skb_put_padto() callers
must check return values or risk use-after-free.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
parent
0d5a7af160
commit
7f23aa7cab
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@ -3185,8 +3185,9 @@ static inline int skb_padto(struct sk_buff *skb, unsigned int len)
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* is untouched. Otherwise it is extended. Returns zero on
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* success. The skb is freed on error if @free_on_error is true.
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*/
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static inline int __skb_put_padto(struct sk_buff *skb, unsigned int len,
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bool free_on_error)
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static inline int __must_check __skb_put_padto(struct sk_buff *skb,
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unsigned int len,
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bool free_on_error)
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{
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unsigned int size = skb->len;
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@ -3209,7 +3210,7 @@ static inline int __skb_put_padto(struct sk_buff *skb, unsigned int len,
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* is untouched. Otherwise it is extended. Returns zero on
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* success. The skb is freed on error.
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*/
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static inline int skb_put_padto(struct sk_buff *skb, unsigned int len)
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static inline int __must_check skb_put_padto(struct sk_buff *skb, unsigned int len)
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{
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return __skb_put_padto(skb, len, true);
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}
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