diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-05-19 13:50:31 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-05-21 07:47:56 -0300 |
| commit | 3b2f17ad1770e51b8b4e68b5069c4f1ee477eff8 (patch) | |
| tree | e69f72cb5ededab886aa7e1db09f8a184a7c4818 /sound/usb/mixer.c | |
| parent | fb6c79d7261afb7e942251254ea47951c2a9a706 (diff) | |
| download | linux-3b2f17ad1770e51b8b4e68b5069c4f1ee477eff8.tar.gz linux-3b2f17ad1770e51b8b4e68b5069c4f1ee477eff8.tar.bz2 linux-3b2f17ad1770e51b8b4e68b5069c4f1ee477eff8.zip | |
perf parse-events: Check if the software events array slots are populated
To avoid a NULL pointer dereference when the kernel supports the new
feature but the tooling still hasn't an entry for it.
This happened with the recently added PERF_COUNT_SW_CGROUP_SWITCHES
software event.
Reported-by: Thomas Richter <tmricht@linux.ibm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Link: https://lore.kernel.org/linux-perf-users/YKVESEKRjKtILhog@kernel.org/
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'sound/usb/mixer.c')
0 files changed, 0 insertions, 0 deletions