diff options
| -rw-r--r-- | mm/shmem.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index dfaa0f4e9789..080b09a57a8f 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2325,7 +2325,10 @@ static int shmem_show_options(struct seq_file *seq, struct vfsmount *vfs) static void shmem_put_super(struct super_block *sb) { - kfree(sb->s_fs_info); + struct shmem_sb_info *sbinfo = SHMEM_SB(sb); + + percpu_counter_destroy(&sbinfo->used_blocks); + kfree(sbinfo); sb->s_fs_info = NULL; } @@ -2367,7 +2370,8 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent) #endif spin_lock_init(&sbinfo->stat_lock); - percpu_counter_init(&sbinfo->used_blocks, 0); + if (percpu_counter_init(&sbinfo->used_blocks, 0)) + goto failed; sbinfo->free_inodes = sbinfo->max_inodes; sb->s_maxbytes = SHMEM_MAX_BYTES; |