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ceph: only set CEPH_I_SEC_INITED if we got a MAC label 

__ceph_getxattr will set the CEPH_I_SEC_INITED flag whenever it gets
any xattr that starts with "security.". We only want to set that flag
when fetching the MAC label for the currently-active LSM, however.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Jeff Layton 2019-08-06 10:41:40 -04:00 committed by Ilya Dryomov
parent 668959a535
commit 026105ebb0
1 changed files with 2 additions and 1 deletions
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3
fs/ceph/xattr.c
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@ -892,7 +892,8 @@ ssize_t __ceph_getxattr(struct inode *inode, const char *name, void *value,
memcpy(value, xattr->val, xattr->val_len);
if (current->journal_info &&
!strncmp(name, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN))
!strncmp(name, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN) &&
security_ismaclabel(name + XATTR_SECURITY_PREFIX_LEN))
ci->i_ceph_flags |= CEPH_I_SEC_INITED;
out:
spin_unlock(&ci->i_ceph_lock);