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-rw-r--r--mm/migrate.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 6263c24..794443d 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1045,10 +1045,10 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
const int __user *nodes,
int __user *status, int flags)
{
+ struct cred *cred, *tcred;
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))
@@ -1076,10 +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.
*/
- uid = current_uid();
- euid = current_euid();
- if (euid != task->suid && euid != task->uid &&
- uid != task->suid && uid != task->uid &&
+ cred = current->cred;
+ tcred = task->cred;
+ if (cred->euid != tcred->suid && cred->euid != tcred->uid &&
+ cred->uid != tcred->suid && cred->uid != tcred->uid &&
!capable(CAP_SYS_NICE)) {
err = -EPERM;
goto out;
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