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-rw-r--r--mm/migrate.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 6602941bfab..6263c24c4af 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1048,6 +1048,7 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
struct task_struct *task;
struct mm_struct *mm;
int err;
+ uid_t uid, euid;
/* Check flags */
if (flags & ~(MPOL_MF_MOVE|MPOL_MF_MOVE_ALL))
@@ -1075,8 +1076,10 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
* capabilities, superuser privileges or the same
* userid as the target process.
*/
- if ((current->euid != task->suid) && (current->euid != task->uid) &&
- (current->uid != task->suid) && (current->uid != task->uid) &&
+ uid = current_uid();
+ euid = current_euid();
+ if (euid != task->suid && euid != task->uid &&
+ uid != task->suid && uid != task->uid &&
!capable(CAP_SYS_NICE)) {
err = -EPERM;
goto out;