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path: root/drivers/net/bonding/bond_sysfs.c
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Diffstat (limited to 'drivers/net/bonding/bond_sysfs.c')
-rw-r--r--drivers/net/bonding/bond_sysfs.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 6096440e96ea..35847250da5a 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -160,14 +160,19 @@ static ssize_t bonding_sysfs_store_option(struct device *d,
{
struct bonding *bond = to_bond(d);
const struct bond_option *opt;
+ char *buffer_clone;
int ret;
opt = bond_opt_get_by_name(attr->attr.name);
if (WARN_ON(!opt))
return -ENOENT;
- ret = bond_opt_tryset_rtnl(bond, opt->id, (char *)buffer);
+ buffer_clone = kstrndup(buffer, count, GFP_KERNEL);
+ if (!buffer_clone)
+ return -ENOMEM;
+ ret = bond_opt_tryset_rtnl(bond, opt->id, buffer_clone);
if (!ret)
ret = count;
+ kfree(buffer_clone);
return ret;
}