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-rw-r--r--fs/affs/super.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/affs/super.c b/fs/affs/super.c
index 33c4e7eef470..3a6d1dee4a51 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -291,6 +291,8 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
u8 sig[4];
int ret = -EINVAL;
+ lock_kernel();
+
save_mount_options(sb, data);
pr_debug("AFFS: read_super(%s)\n",data ? (const char *)data : "no options");
@@ -300,8 +302,10 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_flags |= MS_NODIRATIME;
sbi = kzalloc(sizeof(struct affs_sb_info), GFP_KERNEL);
- if (!sbi)
+ if (!sbi) {
+ unlock_kernel();
return -ENOMEM;
+ }
sb->s_fs_info = sbi;
mutex_init(&sbi->s_bmlock);
spin_lock_init(&sbi->symlink_lock);
@@ -312,6 +316,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
printk(KERN_ERR "AFFS: Error parsing options\n");
kfree(sbi->s_prefix);
kfree(sbi);
+ unlock_kernel();
return -EINVAL;
}
/* N.B. after this point s_prefix must be released */
@@ -482,6 +487,7 @@ got_root:
sb->s_root->d_op = &affs_dentry_operations;
pr_debug("AFFS: s_flags=%lX\n",sb->s_flags);
+ unlock_kernel();
return 0;
/*
@@ -496,6 +502,7 @@ out_error_noinode:
kfree(sbi->s_prefix);
kfree(sbi);
sb->s_fs_info = NULL;
+ unlock_kernel();
return ret;
}