From 1c7f9b673dc0a15753274c4e7f5ebfd4468fc69f Mon Sep 17 00:00:00 2001 From: "Steven Rostedt (VMware)" Date: Fri, 15 Nov 2019 14:13:20 -0500 Subject: [PATCH] ftrace: Fix accounting bug with direct->count in register_ftrace_direct() The direct->count wasn't being updated properly, where it only was updated when the first entry was added, but should be updated every time. Fixes: 013bf0da04748 ("ftrace: Add ftrace_find_direct_func()") Signed-off-by: Steven Rostedt (VMware) --- kernel/trace/ftrace.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 834f355..32e4e5f 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -5093,8 +5093,7 @@ int register_ftrace_direct(unsigned long ip, unsigned long addr) ftrace_direct_func_count--; } } else { - if (!direct->count) - direct->count++; + direct->count++; } out_unlock: mutex_unlock(&direct_mutex); -- 2.7.4