[PATCH] ifplugd: fix netlink recv

[walter harms]

strange,
 did the paket size change unexpectedly ?
 i do not believe so.

 Is 4k really the minimum size ?

re,
 wh


Am 08.07.2013 13:28, schrieb Johannes Stezenbach:
> ifplugd exits with error on newer kernels:
> 
> [ 1264.692730] libphy: eth0 - Link is Down
> ifplugd(eth0): netlink packet too small or truncated
> ifplugd(eth0): exiting
> 
> I found a fix for a similar issue here, it increases
> buffer size from 2048 to 4096:
> https://bugs.launchpad.net/ubuntu/+source/ifmetric/+bug/896584
> 
> 
> --- busybox-1.21.0/networking/ifplugd.c.orig	2012-12-22 23:39:01.000000000 +0100
> +++ busybox-1.21.0/networking/ifplugd.c	2013-07-08 13:12:54.372062361 +0200
> @@ -451,7 +451,7 @@ static smallint detect_link(void)
>  static NOINLINE int check_existence_through_netlink(void)
>  {
>  	int iface_len;
> -	char replybuf[1024];
> +	char replybuf[4096];
>  
>  	iface_len = strlen(G.iface);
>  	while (1) {
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