diff options
Diffstat (limited to 'sys/kern/vfs_acl.c')
| -rw-r--r-- | sys/kern/vfs_acl.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/kern/vfs_acl.c b/sys/kern/vfs_acl.c index 362792b..39a784db 100644 --- a/sys/kern/vfs_acl.c +++ b/sys/kern/vfs_acl.c @@ -148,6 +148,7 @@ acl_copyin(void *user_acl, struct acl *kernel_acl, acl_type_t type) static int acl_copyout(struct acl *kernel_acl, void *user_acl, acl_type_t type) { + uint32_t am; int error; struct oldacl old; @@ -162,8 +163,11 @@ acl_copyout(struct acl *kernel_acl, void *user_acl, acl_type_t type) break; default: - if (fuword32((char *)user_acl + - offsetof(struct acl, acl_maxcnt)) != ACL_MAX_ENTRIES) + error = fueword32((char *)user_acl + + offsetof(struct acl, acl_maxcnt), &am); + if (error == -1) + return (EFAULT); + if (am != ACL_MAX_ENTRIES) return (EINVAL); error = copyout(kernel_acl, user_acl, sizeof(*kernel_acl)); |
