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| author | stephen hemminger <stephen@networkplumber.org> | 2017-08-18 13:46:19 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-18 22:37:03 -0700 |
| commit | d0d6683716791b2a2761a1bb025c613eb73da6c3 (patch) | |
| tree | 2bebd60c2b10c02fc44f5ea24f667f4b60dfe35f /net/core | |
| parent | 01d300c577c72229b0a3b09e194cae52b219d5b3 (diff) | |
| download | linux-stable-d0d6683716791b2a2761a1bb025c613eb73da6c3.tar.gz linux-stable-d0d6683716791b2a2761a1bb025c613eb73da6c3.tar.bz2 linux-stable-d0d6683716791b2a2761a1bb025c613eb73da6c3.zip | |
net: don't decrement kobj reference count on init failure
If kobject_init_and_add failed, then the failure path would
decrement the reference count of the queue kobject whose reference
count was already zero.
Fixes: 114cf5802165 ("bql: Byte queue limits")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/net-sysfs.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index b4f9922b6f23..46ff41bf0210 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -917,21 +917,20 @@ static int rx_queue_add_kobject(struct net_device *dev, int index) error = kobject_init_and_add(kobj, &rx_queue_ktype, NULL, "rx-%u", index); if (error) - goto exit; + return error; if (dev->sysfs_rx_queue_group) { error = sysfs_create_group(kobj, dev->sysfs_rx_queue_group); - if (error) - goto exit; + if (error) { + kobject_put(kobj); + return error; + } } kobject_uevent(kobj, KOBJ_ADD); dev_hold(queue->dev); return error; -exit: - kobject_put(kobj); - return error; } #endif /* CONFIG_SYSFS */ @@ -1339,21 +1338,20 @@ static int netdev_queue_add_kobject(struct net_device *dev, int index) error = kobject_init_and_add(kobj, &netdev_queue_ktype, NULL, "tx-%u", index); if (error) - goto exit; + return error; #ifdef CONFIG_BQL error = sysfs_create_group(kobj, &dql_group); - if (error) - goto exit; + if (error) { + kobject_put(kobj); + return error; + } #endif kobject_uevent(kobj, KOBJ_ADD); dev_hold(queue->dev); return 0; -exit: - kobject_put(kobj); - return error; } #endif /* CONFIG_SYSFS */ |