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authorHillf Danton <dhillf@gmail.com>2011-01-06 20:58:12 +0800
committerIngo Molnar <mingo@elte.hu>2011-01-07 15:55:10 +0100
commit524429c31b486c05449666b94613f59f729c0a84 (patch)
tree00d0a06e864c0054cc6764f1afa6887e1281bcb6
parent1c5354de90c900b369e2ebd36c3a065ede29eb93 (diff)
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>
-rw-r--r--kernel/sched.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index a8478a217de..a0eb0941fa8 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -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;
}