Commit 6e452d69 authored Mar 22, 2014 by Chao Yu Committed by Jaegeuk Kim Apr 01, 2014

f2fs: avoid unneeded lookup when xattr name length is too long

In f2fs_setxattr we have limit this attribute name length, so we should also
check it in f2fs_getxattr to avoid useless lookup caused by invalid name length.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

parent df0f8dc0

fs/f2fs/xattr.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -407,6 +407,8 @@ int f2fs_getxattr(struct inode inode, int name_index, const char name,
		if (name == NULL)
		return -EINVAL;
		name_len = strlen(name);
		if (name_len > F2FS_NAME_LEN)
		return -ERANGE;

		base_addr = read_all_xattrs(inode, NULL);
		if (!base_addr)