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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>
This commit is contained in:
Hillf Danton 2011-01-06 20:58:12 +08:00 committed by Ingo Molnar
parent 1c5354de90
commit 524429c31b
1 changed files with 1 additions and 1 deletions
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2
kernel/sched.c
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@ -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;
}