Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target...

[karo-tx-linux.git] / tools / perf / util / probe-event.c

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 076527b639bdbcab38b4e196f1d388352f7e22c1..381f23a443c7e71a78c008cb2e56a88326830d98 100644 (file)
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -249,8 +249,12 @@ static void clear_probe_trace_events(struct probe_trace_event *tevs, int ntevs)
 static bool kprobe_blacklist__listed(unsigned long address);
 static bool kprobe_warn_out_range(const char *symbol, unsigned long address)
 {
+       u64 etext_addr;
+
        /* Get the address of _etext for checking non-probable text symbol */
-       if (kernel_get_symbol_address_by_name("_etext", false) < address)
+       etext_addr = kernel_get_symbol_address_by_name("_etext", false);
+
+       if (etext_addr != 0 && etext_addr < address)
                pr_warning("%s is out of .text, skip it.\n", symbol);
        else if (kprobe_blacklist__listed(address))
                pr_warning("%s is blacklisted function, skip it.\n", symbol);