[for-next][PATCH 1/2] ftrace: Remove an unneeded NULL check

From	Steven Rostedt <rostedt@goodmis.org>
Newsgroups	linux.kernel
Subject	[for-next][PATCH 1/2] ftrace: Remove an unneeded NULL check
Date	2017-07-13 03:10 +0200
Message-ID	<u2ANH-7ig-1@gated-at.bofh.it> (permalink)
References	<u2ANH-7ig-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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From: Dan Carpenter <dan.carpenter@oracle.com>

"func" can't be NULL and it doesn't make sense to check because we've
already derefenced it.

Link: http://lkml.kernel.org/r/20170712073340.4enzeojeoupuds5a@mwanda

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
 kernel/trace/ftrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 4706f0ed193e..5fb5b40b3ae8 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3950,7 +3950,7 @@ static int cache_mod(struct trace_array *tr,
 				continue;
 
 			/* no func matches all */
-			if (!func || strcmp(func, "*") == 0 ||
+			if (strcmp(func, "*") == 0 ||
 			    (ftrace_mod->func &&
 			     strcmp(ftrace_mod->func, func) == 0)) {
 				ret = 0;
-- 
2.10.2

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[for-next][PATCH 1/2] ftrace: Remove an unneeded NULL check Steven Rostedt <rostedt@goodmis.org> - 2017-07-13 03:10 +0200

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