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| author |   Richard Weinberger <richard@nod.at> | 2016-09-29 20:11:03 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2016-12-12 23:07:38 +0100 |
| commit | 700eada82a349f0aeadd43ce4b182b32e4adc5b5 (patch) | |
| tree | 5de3b50493243a419fe8a14cdac81f7b0fd4cbe1 /fs/ubifs/xattr.c | |
| parent | ubifs: Preload crypto context in ->lookup() (diff) | |
| download | linux-dev-700eada82a349f0aeadd43ce4b182b32e4adc5b5.tar.xz linux-dev-700eada82a349f0aeadd43ce4b182b32e4adc5b5.zip | |
ubifs: Massage assert in ubifs_xattr_set() wrt. fscrypto
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>
Diffstat (limited to 'fs/ubifs/xattr.c')
| -rw-r--r-- | fs/ubifs/xattr.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c index 77ffc9788f45..da59ea3b50c4 100644 --- a/fs/ubifs/xattr.c +++ b/fs/ubifs/xattr.c @@ -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; |