Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-06 05:02:31 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ubifs: Massage assert in ubifs_xattr_set() wrt. fscrypto

Browse Source 
When we're creating a new inode in UBIFS the inode is not
yet exposed and fscrypto calls ubifs_xattr_set() without
holding the inode mutex. This is okay but ubifs_xattr_set()
has to know about this.

Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger 2016-09-29 20:11:03 +02:00
parent 9270b2f4cd
commit 700eada82a
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
fs/ubifs/xattr.c
View File

@ -289,7 +289,13 @@ int ubifs_xattr_set(struct inode *host, const char *name, const void *value,
union ubifs_key key;
int err;
ubifs_assert(inode_is_locked(host));
/*
* Creating an encryption context is done unlocked since we
* operate on a new inode which is not visible to other users
* at this point.
*/
if (strcmp(name, UBIFS_XATTR_NAME_ENCRYPTION_CONTEXT) != 0)
ubifs_assert(inode_is_locked(host));
if (size > UBIFS_MAX_INO_DATA)
return -ERANGE;