diff options
Diffstat (limited to 'kernel/sys.c')
-rw-r--r-- | kernel/sys.c | 27 |
1 files changed, 2 insertions, 25 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 6a0cc71ee88d..f2a451366953 100644 --- a/kernel/sys.c +++ b/kernel/sys.c | |||
@@ -1632,10 +1632,9 @@ asmlinkage long sys_umask(int mask) | |||
1632 | asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, | 1632 | asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, |
1633 | unsigned long arg4, unsigned long arg5) | 1633 | unsigned long arg4, unsigned long arg5) |
1634 | { | 1634 | { |
1635 | long error; | 1635 | long uninitialized_var(error); |
1636 | 1636 | ||
1637 | error = security_task_prctl(option, arg2, arg3, arg4, arg5); | 1637 | if (security_task_prctl(option, arg2, arg3, arg4, arg5, &error)) |
1638 | if (error) | ||
1639 | return error; | 1638 | return error; |
1640 | 1639 | ||
1641 | switch (option) { | 1640 | switch (option) { |
@@ -1688,17 +1687,6 @@ asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, | |||
1688 | error = -EINVAL; | 1687 | error = -EINVAL; |
1689 | break; | 1688 | break; |
1690 | 1689 | ||
1691 | case PR_GET_KEEPCAPS: | ||
1692 | if (current->keep_capabilities) | ||
1693 | error = 1; | ||
1694 | break; | ||
1695 | case PR_SET_KEEPCAPS: | ||
1696 | if (arg2 != 0 && arg2 != 1) { | ||
1697 | error = -EINVAL; | ||
1698 | break; | ||
1699 | } | ||
1700 | current->keep_capabilities = arg2; | ||
1701 | break; | ||
1702 | case PR_SET_NAME: { | 1690 | case PR_SET_NAME: { |
1703 | struct task_struct *me = current; | 1691 | struct task_struct *me = current; |
1704 | unsigned char ncomm[sizeof(me->comm)]; | 1692 | unsigned char ncomm[sizeof(me->comm)]; |
@@ -1732,17 +1720,6 @@ asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, | |||
1732 | case PR_SET_SECCOMP: | 1720 | case PR_SET_SECCOMP: |
1733 | error = prctl_set_seccomp(arg2); | 1721 | error = prctl_set_seccomp(arg2); |
1734 | break; | 1722 | break; |
1735 | |||
1736 | case PR_CAPBSET_READ: | ||
1737 | if (!cap_valid(arg2)) | ||
1738 | return -EINVAL; | ||
1739 | return !!cap_raised(current->cap_bset, arg2); | ||
1740 | case PR_CAPBSET_DROP: | ||
1741 | #ifdef CONFIG_SECURITY_FILE_CAPABILITIES | ||
1742 | return cap_prctl_drop(arg2); | ||
1743 | #else | ||
1744 | return -EINVAL; | ||
1745 | #endif | ||
1746 | case PR_GET_TSC: | 1723 | case PR_GET_TSC: |
1747 | error = GET_TSC_CTL(arg2); | 1724 | error = GET_TSC_CTL(arg2); |
1748 | break; | 1725 | break; |