On Aug 10, 2014, at 12:34 AM, Greg KH wrote:
> Very odd, with this patch applied, I now get a build warning:
>
> drivers/staging/lustre/lnet/lnet/config.c: In function ‘lnet_parse_ip2nets’:
> drivers/staging/lustre/lnet/lnet/config.c:1193:2: warning: ‘ipaddrs’ may be
> used uninitialized in this function [-Wmaybe-uninitialized]
> lnet_ipaddr_free_enumeration(ipaddrs, nip);
> ^
What's even more odd is that the very previous line also uses ipaddrs, yet it
does not trigger the warning.
In any case I believe it's a false positive, since the only way it could remain
unitialized is if
libcfs_ipif_enumerate returned negative value (stored in nif in this function)
and we check for it being more than zero
before getting to that part of code.
I'll submit a patch assigning ipaddrs to NULL as a workaround shortly.
Bye,
Oleg
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