Re: [PATCH] [RFC] udp: ipv4: fix potential deadlock on sk_dst_lock

[Eric Dumazet]

On Mon, 2013-12-16 at 23:37 +0100, Jiri Kosina wrote:
> Commit 975022310 ("udp: ipv4: must add synchronization in 
> udp_sk_rx_dst_set()) caused sk_dst_lock to be obtained in udp4 receive 
> path, which is happening in softirq context.
> 
> inet_bind() is taking sk_dst_lock (through sk_dst_reset()) without turning 
> IRQs off, which results in the lockdep splat below.
> 
> Fix that by disabling IRQs while taking the lock in sk_dst_reset().



Thanks but I posted this fix instead :

 http://patchwork.ozlabs.org/patch/301382/




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