This is a note to let you know that I've just added the patch titled

perf probe: Fix concat_probe_trace_events

to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: perf-probe-fix-concat_probe_trace_events.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@vger.kernel.org know about it.

From foo@baz Sun Mar 18 16:55:33 CET 2018

From: Ravi Bangoria ravi.bangoria@linux.vnet.ibm.com Date: Wed, 8 Mar 2017 12:29:07 +0530 Subject: perf probe: Fix concat_probe_trace_events

From: Ravi Bangoria ravi.bangoria@linux.vnet.ibm.com

[ Upstream commit f0a30dca5f84fe8048271799b56677ac2279de66 ]

'*ntevs' contains number of elements present in 'tevs' array. If there are no elements in array, 'tevs2' can be directly assigned to 'tevs' without allocating more space. So the condition should be '*ntevs == 0' not 'ntevs == 0'.

Signed-off-by: Ravi Bangoria ravi.bangoria@linux.vnet.ibm.com Acked-by: Masami Hiramatsu mhiramat@kernel.org Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: Peter Zijlstra peterz@infradead.org Fixes: 42bba263eb58 ("perf probe: Allow wildcard for cached events") Link: http://lkml.kernel.org/r/20170308065908.4128-1-ravi.bangoria@linux.vnet.ibm.... Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- tools/perf/util/probe-event.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -3060,7 +3060,7 @@ concat_probe_trace_events(struct probe_t struct probe_trace_event *new_tevs; int ret = 0;

- if (ntevs == 0) { + if (*ntevs == 0) { *tevs = *tevs2; *ntevs = ntevs2; *tevs2 = NULL;

Patches currently in stable-queue which might be from ravi.bangoria@linux.vnet.ibm.com are

queue-4.9/perf-probe-fix-concat_probe_trace_events.patch