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-rw-r--r--kernel/futex_compat.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
index 04ac3a9e42cf..3254d4e41e88 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -135,6 +135,7 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
{
struct compat_robust_list_head __user *head;
unsigned long ret;
+ uid_t euid = current_euid();
if (!futex_cmpxchg_enabled)
return -ENOSYS;
@@ -150,7 +151,7 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
if (!p)
goto err_unlock;
ret = -EPERM;
- if ((current->euid != p->euid) && (current->euid != p->uid) &&
+ if (euid != p->euid && euid != p->uid &&
!capable(CAP_SYS_PTRACE))
goto err_unlock;
head = p->compat_robust_list;