ftrace: Remove an unneeded NULL check

"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>

1 files changed, 1 insertions, 1 deletions

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;