diff options
| -rw-r--r-- | kernel/trace/trace_boot.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c index 1a2b270e9cda..1060b0446032 100644 --- a/kernel/trace/trace_boot.c +++ b/kernel/trace/trace_boot.c @@ -422,6 +422,7 @@ trace_boot_init_histograms(struct trace_event_file *file, { struct xbc_node *node; const char *p; + char *tmp; xbc_node_for_each_subkey(hnode, node) { p = xbc_node_get_data(node); @@ -429,15 +430,20 @@ trace_boot_init_histograms(struct trace_event_file *file, continue; /* All digit started node should be instances. */ if (trace_boot_compose_hist_cmd(node, buf, size) == 0) { + tmp = kstrdup(buf, GFP_KERNEL); if (trigger_process_regex(file, buf) < 0) - pr_err("Failed to apply hist trigger: %s\n", buf); + pr_err("Failed to apply hist trigger: %s\n", tmp); + kfree(tmp); } } if (xbc_node_find_child(hnode, "keys")) { - if (trace_boot_compose_hist_cmd(hnode, buf, size) == 0) + if (trace_boot_compose_hist_cmd(hnode, buf, size) == 0) { + tmp = kstrdup(buf, GFP_KERNEL); if (trigger_process_regex(file, buf) < 0) - pr_err("Failed to apply hist trigger: %s\n", buf); + pr_err("Failed to apply hist trigger: %s\n", tmp); + kfree(tmp); + } } } #else @@ -488,7 +494,7 @@ trace_boot_init_one_event(struct trace_array *tr, struct xbc_node *gnode, if (strlcpy(buf, p, ARRAY_SIZE(buf)) >= ARRAY_SIZE(buf)) pr_err("action string is too long: %s\n", p); else if (trigger_process_regex(file, buf) < 0) - pr_err("Failed to apply an action: %s\n", buf); + pr_err("Failed to apply an action: %s\n", p); } anode = xbc_node_find_child(enode, "hist"); if (anode) |