diff options
Diffstat (limited to 'kernel/futex_compat.c')
-rw-r--r-- | kernel/futex_compat.c | 3 |
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, | |||
135 | { | 135 | { |
136 | struct compat_robust_list_head __user *head; | 136 | struct compat_robust_list_head __user *head; |
137 | unsigned long ret; | 137 | unsigned long ret; |
138 | uid_t euid = current_euid(); | ||
138 | 139 | ||
139 | if (!futex_cmpxchg_enabled) | 140 | if (!futex_cmpxchg_enabled) |
140 | return -ENOSYS; | 141 | return -ENOSYS; |
@@ -150,7 +151,7 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, | |||
150 | if (!p) | 151 | if (!p) |
151 | goto err_unlock; | 152 | goto err_unlock; |
152 | ret = -EPERM; | 153 | ret = -EPERM; |
153 | if ((current->euid != p->euid) && (current->euid != p->uid) && | 154 | if (euid != p->euid && euid != p->uid && |
154 | !capable(CAP_SYS_PTRACE)) | 155 | !capable(CAP_SYS_PTRACE)) |
155 | goto err_unlock; | 156 | goto err_unlock; |
156 | head = p->compat_robust_list; | 157 | head = p->compat_robust_list; |