[PATCH 7/7] trace: strlen() return doesnt account for the NULL

From: Steven Rostedt
Date: Thu Jul 22 2010 - 16:26:02 EST


From: Dan Carpenter <error27@xxxxxxxxx>

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@xxxxxxxxx>
LKML-Reference: <20100710100644.GV19184@bicker>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
kernel/trace/trace.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f7488f4..cacb6f0 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -739,7 +739,7 @@ __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;
}
--
1.7.1


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