diff options
| author |   Klement Sekera <ksekera@cisco.com> | 2021-10-22 13:05:48 +0200 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2021-10-28 10:58:47 +0000 |
| commit | 5d8072c059eda181b54d5ad425abc6f8edaf2a31 (patch) | |
| tree | d40b9562cb36203dc868f9021d803545002e067c /src/plugins/perfmon/intel/uncore.c | |
| parent | 9f4e5d8e512e1d41b8735c1227282d713f50466d (diff) | |
perfmon: fix coverity warning
Check that cpumask is initialised properly to avoid possible NULL
pointer dereference.
Type: fix
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Change-Id: I8df5a718104fe703d6baf3f1294b4a6d2ca01619
Diffstat (limited to 'src/plugins/perfmon/intel/uncore.c')
| -rw-r--r-- | src/plugins/perfmon/intel/uncore.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/plugins/perfmon/intel/uncore.c b/src/plugins/perfmon/intel/uncore.c index e8939cb67c9..ee3e4aea630 100644 --- a/src/plugins/perfmon/intel/uncore.c +++ b/src/plugins/perfmon/intel/uncore.c @@ -132,6 +132,14 @@ intel_uncore_init (vlib_main_t *vm, perfmon_source_t *src) goto done; } + if (!cpumask) + { + clib_error_free (err); + err = clib_error_return ( + 0, "while discovering numa topology: cpumask unexpectedly NULL"); + goto done; + } + clib_bitmap_foreach (j, cpumask) { vec_validate_init_empty (numa_by_cpu_id, j, -1); |