* [patch] trace: strlen() return doesn't account for the NULL
@ 2010-07-10 10:06 Dan Carpenter
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From: Dan Carpenter @ 2010-07-10 10:06 UTC (permalink / raw)
To: Steven Rostedt
Cc: Frederic Weisbecker, Ingo Molnar, Li Zefan, linux-kernel,
kernel-janitors
We need to add one to the strlen() return because of the NULL
character. The type->name here generally comes from the kernel and I
don't think any of them come close to being MAX_TRACER_SIZE (100)
characters long so this is basically a cleanup.
Signed-off-by: Dan Carpenter <error27@gmail.com>
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 086d363..5f13c35 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -729,7 +729,7 @@ __acquires(kernel_lock)
return -1;
}
- if (strlen(type->name) > MAX_TRACER_SIZE) {
+ if (strlen(type->name) >= MAX_TRACER_SIZE) {
pr_info("Tracer has a name longer than %d\n", MAX_TRACER_SIZE);
return -1;
}
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2010-07-10 10:06 [patch] trace: strlen() return doesn't account for the NULL Dan Carpenter
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