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ext2: initialize quota info in ext2_xattr_set()

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In order to correctly account/limit space usage, should initialize
quota info before calling quota related functions.

Link: https://lore.kernel.org/r/20200626054959.114177-1-cgxu519@mykernel.net
Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Reviewed-by: Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Chengguang Xu 2020-06-26 13:49:59 +08:00 committed by Jan Kara
parent cf1013f441
commit 1197d04fd3
1 changed files with 3 additions and 0 deletions
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3
fs/ext2/xattr.c
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@ -437,6 +437,9 @@ ext2_xattr_set(struct inode *inode, int name_index, const char *name,
name_len = strlen(name);
if (name_len > 255 || value_len > sb->s_blocksize)
return -ERANGE;
error = dquot_initialize(inode);
if (error)
return error;
down_write(&EXT2_I(inode)->xattr_sem);
if (EXT2_I(inode)->i_file_acl) {
/* The inode already has an extended attribute block. */