Messages in this thread | | | Date | Tue, 19 Dec 2017 11:04:58 -0500 (EST) | Subject | Re: [PATCH] isdn: avm: Handle return value of skb_dequeue() | From | David Miller <> |
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From: Arvind Yadav <arvind.yadav.cs@gmail.com> Date: Sun, 17 Dec 2017 01:17:23 +0530
> skb_dequeue() will return NULL for an empty list or a pointer > to the head element. > > Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
There is no code path where this is possible.
The two call sites:
1) Explicitly add an SKB to the queue
OR
2) Explcitily guard the call with an skb_queue_empty() check
Therefore the stated condition is not possible.
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