This is a note to let you know that I've just added the patch titled ftrace: Fix uninitialized variable in match_records() to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ftrace-fix-uninitialized-variable-in-match_records.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 2e028c4fe12907f226b8221815f16c2486ad3aa7 Mon Sep 17 00:00:00 2001 From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Date: Wed, 12 Jul 2017 10:35:57 +0300 Subject: ftrace: Fix uninitialized variable in match_records() From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> commit 2e028c4fe12907f226b8221815f16c2486ad3aa7 upstream. My static checker complains that if "func" is NULL then "clear_filter" is uninitialized. This seems like it could be true, although it's possible something subtle is happening that I haven't seen. kernel/trace/ftrace.c:3844 match_records() error: uninitialized symbol 'clear_filter'. Link: http://lkml.kernel.org/r/20170712073556.h6tkpjcdzjaozozs@mwanda Fixes: f0a3b154bd7 ("ftrace: Clarify code for mod command") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- kernel/trace/ftrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3590,7 +3590,7 @@ match_records(struct ftrace_hash *hash, int exclude_mod = 0; int found = 0; int ret; - int clear_filter; + int clear_filter = 0; if (func) { func_g.type = filter_parse_regex(func, len, &func_g.search, Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are queue-4.9/ftrace-fix-uninitialized-variable-in-match_records.patch queue-4.9/ipmi-ssif-add-missing-unlock-in-error-branch.patch