diff options
Diffstat (limited to 'mm/mempolicy.c')
-rw-r--r-- | mm/mempolicy.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 07a96474077d..b23492ee3e50 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c | |||
@@ -1110,12 +1110,12 @@ asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode, | |||
1110 | const unsigned long __user *old_nodes, | 1110 | const unsigned long __user *old_nodes, |
1111 | const unsigned long __user *new_nodes) | 1111 | const unsigned long __user *new_nodes) |
1112 | { | 1112 | { |
1113 | struct cred *cred, *tcred; | ||
1113 | struct mm_struct *mm; | 1114 | struct mm_struct *mm; |
1114 | struct task_struct *task; | 1115 | struct task_struct *task; |
1115 | nodemask_t old; | 1116 | nodemask_t old; |
1116 | nodemask_t new; | 1117 | nodemask_t new; |
1117 | nodemask_t task_nodes; | 1118 | nodemask_t task_nodes; |
1118 | uid_t uid, euid; | ||
1119 | int err; | 1119 | int err; |
1120 | 1120 | ||
1121 | err = get_nodes(&old, old_nodes, maxnode); | 1121 | err = get_nodes(&old, old_nodes, maxnode); |
@@ -1145,10 +1145,10 @@ asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode, | |||
1145 | * capabilities, superuser privileges or the same | 1145 | * capabilities, superuser privileges or the same |
1146 | * userid as the target process. | 1146 | * userid as the target process. |
1147 | */ | 1147 | */ |
1148 | uid = current_uid(); | 1148 | cred = current->cred; |
1149 | euid = current_euid(); | 1149 | tcred = task->cred; |
1150 | if (euid != task->suid && euid != task->uid && | 1150 | if (cred->euid != tcred->suid && cred->euid != tcred->uid && |
1151 | uid != task->suid && uid != task->uid && | 1151 | cred->uid != tcred->suid && cred->uid != tcred->uid && |
1152 | !capable(CAP_SYS_NICE)) { | 1152 | !capable(CAP_SYS_NICE)) { |
1153 | err = -EPERM; | 1153 | err = -EPERM; |
1154 | goto out; | 1154 | goto out; |