Commit 524429c3 authored Jan 06, 2011 by Hillf Danton Committed by Ingo Molnar Jan 07, 2011

sched: Fix strncmp operation



One of the operands, buf, is incorrect, since it is stripped and the
correct address for subsequent string comparing could change if
leading white spaces, if any, are removed from buf.

It is fixed by replacing buf with cmp.

Signed-off-by: Hillf Danton <dhillf@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <AANLkTinOPuYsVovrZpbuCCmG5deEyc8WgA_A1RJx_YK7@mail.gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 1c5354de

kernel/sched.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -741,7 +741,7 @@ sched_feat_write(struct file filp, const char __user ubuf,
		buf[cnt] = 0;
		cmp = strstrip(buf);

		if (strncmp(buf, "NO_", 3) == 0) {
		if (strncmp(cmp, "NO_", 3) == 0) {
		neg = 1;
		cmp += 3;
		}