Cc'ing netdev
On Wed, Nov 9, 2016 at 1:56 AM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> Hello Wei Yongjun,
>
> The patch 22ca904ad70a: "genetlink: fix error return code in
> genl_register_family()" from Nov 1, 2016, leads to the following
> static checker warning:
>
> net/netlink/genetlink.c:365 genl_register_family()
> warn: unsigned 'family->id' is never less than zero.
>
> net/netlink/genetlink.c
> 362
> 363 family->id = idr_alloc(&genl_fam_idr, family,
> 364 start, end + 1, GFP_KERNEL);
> 365 if (family->id < 0) {
> ^^^^^^^^^^^^^^
> Doesn't work for unsigned int.
family->id should be signed int.
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