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SubjectRe: [PATCH] net/bridge: replace simple_strtoul to kstrtol
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On 22/11/2021 12:04, Ido Schimmel wrote:
> On Thu, Nov 18, 2021 at 06:06:42PM -0800, Bernard Zhao wrote:
>> simple_strtoull is obsolete, use kstrtol instead.
>>
>> Signed-off-by: Bernard Zhao <bernard@vivo.com>
>> ---
>> net/bridge/br_sysfs_br.c | 7 +++----
>> 1 file changed, 3 insertions(+), 4 deletions(-)
>>
>> diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
>> index d9a89ddd0331..11c490694296 100644
>> --- a/net/bridge/br_sysfs_br.c
>> +++ b/net/bridge/br_sysfs_br.c
>> @@ -36,15 +36,14 @@ static ssize_t store_bridge_parm(struct device *d,
>> struct net_bridge *br = to_bridge(d);
>> struct netlink_ext_ack extack = {0};
>> unsigned long val;
>> - char *endp;
>> int err;
>>
>> if (!ns_capable(dev_net(br->dev)->user_ns, CAP_NET_ADMIN))
>> return -EPERM;
>>
>> - val = simple_strtoul(buf, &endp, 0);
>> - if (endp == buf)
>> - return -EINVAL;
>> + err = kstrtoul(buf, 10, &val);
>
> Base 16 is valid.
>
> Before this patch:
>
> # ip link add name br0 type bridge vlan_filtering 1
> # echo "0x88a8" > /sys/class/net/br0/bridge/vlan_protocol
> # echo $?
> 0
>
> After this patch:
>
> # ip link add name br0 type bridge vlan_filtering 1
> # echo "0x88a8" > /sys/class/net/br0/bridge/vlan_protocol
> bash: echo: write error: Invalid argument
>

Good catch, Bernard please send a revert. Thanks.



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