diff options
Diffstat (limited to 'mm/migrate.c')
-rw-r--r-- | mm/migrate.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index 6602941bfab0..6263c24c4afe 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, | |||
1048 | struct task_struct *task; | 1048 | struct task_struct *task; |
1049 | struct mm_struct *mm; | 1049 | struct mm_struct *mm; |
1050 | int err; | 1050 | int err; |
1051 | uid_t uid, euid; | ||
1051 | 1052 | ||
1052 | /* Check flags */ | 1053 | /* Check flags */ |
1053 | if (flags & ~(MPOL_MF_MOVE|MPOL_MF_MOVE_ALL)) | 1054 | 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, | |||
1075 | * capabilities, superuser privileges or the same | 1076 | * capabilities, superuser privileges or the same |
1076 | * userid as the target process. | 1077 | * userid as the target process. |
1077 | */ | 1078 | */ |
1078 | if ((current->euid != task->suid) && (current->euid != task->uid) && | 1079 | uid = current_uid(); |
1079 | (current->uid != task->suid) && (current->uid != task->uid) && | 1080 | euid = current_euid(); |
1081 | if (euid != task->suid && euid != task->uid && | ||
1082 | uid != task->suid && uid != task->uid && | ||
1080 | !capable(CAP_SYS_NICE)) { | 1083 | !capable(CAP_SYS_NICE)) { |
1081 | err = -EPERM; | 1084 | err = -EPERM; |
1082 | goto out; | 1085 | goto out; |