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bridge: make sure objects belong to container's owner

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When creating various bridge objects in /sys/class/net/... make sure
that they belong to the container's owner instead of global root (if
they belong to a container/namespace).

Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tyler Hicks
2018-07-20 21:56:54 +00:00
committed by David S. Miller
parent fbdeaed408
commit 705e0dea4d
3 changed files with 13 additions and 3 deletions
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5
net/bridge/br_sysfs_if.c
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@@ -249,13 +249,12 @@ static const struct brport_attribute *brport_attrs[] = {
};
#define to_brport_attr(_at) container_of(_at, struct brport_attribute, attr)
#define to_brport(obj) container_of(obj, struct net_bridge_port, kobj)
static ssize_t brport_show(struct kobject *kobj,
struct attribute *attr, char *buf)
{
struct brport_attribute *brport_attr = to_brport_attr(attr);
struct net_bridge_port *p = to_brport(kobj);
struct net_bridge_port *p = kobj_to_brport(kobj);
if (!brport_attr->show)
return -EINVAL;
@@ -268,7 +267,7 @@ static ssize_t brport_store(struct kobject *kobj,
const char *buf, size_t count)
{
struct brport_attribute *brport_attr = to_brport_attr(attr);
struct net_bridge_port *p = to_brport(kobj);
struct net_bridge_port *p = kobj_to_brport(kobj);
ssize_t ret = -EINVAL;
char *endp;
unsigned long val;