Don't allow normal users to set idle IO priority
It has all the normal priority inversion problems. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -62,6 +62,8 @@ asmlinkage long sys_ioprio_set(int which, int who, int ioprio)
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break;
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case IOPRIO_CLASS_IDLE:
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if (!capable(CAP_SYS_ADMIN))
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return -EPERM;
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break;
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default:
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return -EINVAL;
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