Commit 1197d04f authored Jun 26, 2020 by Chengguang Xu Committed by Jan Kara Jul 09, 2020

ext2: initialize quota info in ext2_xattr_set()

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>

parent cf1013f4

fs/ext2/xattr.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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. */

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