diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2016-09-01 18:33:46 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-09-01 18:33:46 +0200 |
| commit | 0cb7bf61b1e9f05027de58c80f9b46a714d24e35 (patch) | |
| tree | 41fb55cf62d07b425122f9a8b96412c0d8eb99c5 /fs/block_dev.c | |
| parent | aa877175e7a9982233ed8f10cb4bfddd78d82741 (diff) | |
| parent | 3eab887a55424fc2c27553b7bfe32330df83f7b8 (diff) | |
Merge branch 'linus' into smp/hotplug
Apply upstream changes to avoid conflicts with pending patches.
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index c3cdde87cc8c..08ae99343d92 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -249,7 +249,8 @@ struct super_block *freeze_bdev(struct block_device *bdev) * thaw_bdev drops it. */ sb = get_super(bdev); - drop_super(sb); + if (sb) + drop_super(sb); mutex_unlock(&bdev->bd_fsfreeze_mutex); return sb; } @@ -646,7 +647,7 @@ static struct dentry *bd_mount(struct file_system_type *fs_type, { struct dentry *dent; dent = mount_pseudo(fs_type, "bdev:", &bdev_sops, NULL, BDEVFS_MAGIC); - if (dent) + if (!IS_ERR(dent)) dent->d_sb->s_iflags |= SB_I_CGROUPWB; return dent; } |