From: Yufan Chen <[email protected]>

In brport_store(), switch to kstrtoul() so parse failures and range errors
return standard errno directly before taking the bridge lock.

This removes a deprecated API and improves error reporting consistency.

Signed-off-by: Yufan Chen <[email protected]>
---
v3:
- Split from mixed series into a dedicated net series.
- No functional changes since v2.

 net/bridge/br_sysfs_if.c |  5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
index 1f57c36a7..cdecc7d12 100644
--- a/net/bridge/br_sysfs_if.c
+++ b/net/bridge/br_sysfs_if.c
@@ -318,7 +318,6 @@ static ssize_t brport_store(struct kobject *kobj,
        struct net_bridge_port *p = kobj_to_brport(kobj);
        ssize_t ret = -EINVAL;
        unsigned long val;
-       char *endp;
 
        if (!ns_capable(dev_net(p->dev)->user_ns, CAP_NET_ADMIN))
                return -EPERM;
@@ -339,8 +338,8 @@ static ssize_t brport_store(struct kobject *kobj,
                spin_unlock_bh(&p->br->lock);
                kfree(buf_copy);
        } else if (brport_attr->store) {
-               val = simple_strtoul(buf, &endp, 0);
-               if (endp == buf)
+               ret = kstrtoul(buf, 0, &val);
+               if (ret)
                        goto out_unlock;
                spin_lock_bh(&p->br->lock);
                ret = brport_attr->store(p, val);
-- 
2.47.3


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