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ext2: set proper return code 

Set proper return code when failing from allocating
memory in ext2_fill_super().

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Chengguang Xu 2019-01-01 21:30:28 +08:00 committed by Jan Kara
parent 49a57857ae
commit 6a03e6a8dc
1 changed files with 3 additions and 0 deletions
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3
fs/ext2/super.c
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@ -1087,12 +1087,14 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
sizeof(struct buffer_head *),
GFP_KERNEL);
if (sbi->s_group_desc == NULL) {
ret = -ENOMEM;
ext2_msg(sb, KERN_ERR, "error: not enough memory");
goto failed_mount;
}
bgl_lock_init(sbi->s_blockgroup_lock);
sbi->s_debts = kcalloc(sbi->s_groups_count, sizeof(*sbi->s_debts), GFP_KERNEL);
if (!sbi->s_debts) {
ret = -ENOMEM;
ext2_msg(sb, KERN_ERR, "error: not enough memory");
goto failed_mount_group_desc;
}
@ -1148,6 +1150,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
#ifdef CONFIG_EXT2_FS_XATTR
sbi->s_ea_block_cache = ext2_xattr_create_cache();
if (!sbi->s_ea_block_cache) {
ret = -ENOMEM;
ext2_msg(sb, KERN_ERR, "Failed to create ea_block_cache");
goto failed_mount3;
}