[PATCH 1/2] ftrace: remove an unneeded NULL check

[Dan Carpenter]

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

Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 2953d558bbee..2a3c45743f54 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;