diff options
Diffstat (limited to 'security/commoncap.c')
| -rw-r--r-- | security/commoncap.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/security/commoncap.c b/security/commoncap.c index 6bf72b175b49..fc46f5b85251 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -294,10 +294,10 @@ int cap_capset(struct cred *new, * * Determine if an inode having a change applied that's marked ATTR_KILL_PRIV * affects the security markings on that inode, and if it is, should - * inode_killpriv() be invoked or the change rejected? + * inode_killpriv() be invoked or the change rejected. * - * Returns 0 if granted; +ve if granted, but inode_killpriv() is required; and - * -ve to deny the change. + * Returns 1 if security.capability has a value, meaning inode_killpriv() + * is required, 0 otherwise, meaning inode_killpriv() is not required. */ int cap_inode_need_killpriv(struct dentry *dentry) { @@ -585,13 +585,14 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data struct vfs_ns_cap_data data, *nscaps = &data; struct vfs_cap_data *caps = (struct vfs_cap_data *) &data; kuid_t rootkuid; - struct user_namespace *fs_ns = inode->i_sb->s_user_ns; + struct user_namespace *fs_ns; memset(cpu_caps, 0, sizeof(struct cpu_vfs_cap_data)); if (!inode) return -ENODATA; + fs_ns = inode->i_sb->s_user_ns; size = __vfs_getxattr((struct dentry *)dentry, inode, XATTR_NAME_CAPS, &data, XATTR_CAPS_SZ); if (size == -ENODATA || size == -EOPNOTSUPP) |