diff options
Diffstat (limited to 'tools/perf/util/event.c')
| -rw-r--r-- | tools/perf/util/event.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index ed55819..4af6b27 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -558,13 +558,17 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, struct map *map; struct kmap *kmap; int err; + union perf_event *event; + + if (machine->vmlinux_maps[0] == NULL) + return -1; + /* * We should get this from /sys/kernel/sections/.text, but till that is * available use this, and after it is use this as a fallback for older * kernels. */ - union perf_event *event = zalloc((sizeof(event->mmap) + - machine->id_hdr_size)); + event = zalloc((sizeof(event->mmap) + machine->id_hdr_size)); if (event == NULL) { pr_debug("Not enough memory synthesizing mmap event " "for kernel modules\n"); |