[PATCH 2/4] perf symbols: Stop using vmlinux files with no symbols

[Arnaldo Carvalho de Melo]

From: Franck Bui-Huu <fbuihuu@xxxxxxxxx>

Fail if the kernel image contains no symbol, allowing using other images
in the vmlinux search path that may have a usable symtab.

Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
Cc: 2nddept-manager@xxxxxxxxxxxxxxxxx
Cc: Francis Moreau <francis.moro@xxxxxxxxx>
Cc: Franck Bui-Huu <vagabon.xyz@xxxxxxxxx>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
LPU-Reference: <m3d3p9ydx9.fsf_-_@xxxxxxxxx>
Signed-off-by: Franck Bui-Huu <fbuihuu@xxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/probe-event.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index b71acd6..61191c6 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -135,7 +135,7 @@ const char *kernel_get_module_path(const char *module)
 		if (dso__load_vmlinux(dso, map, vmlinux_name, NULL) <= 0)
 			return NULL;
 	} else {
-		if (dso__load_vmlinux_path(dso, map, NULL) < 0) {
+		if (dso__load_vmlinux_path(dso, map, NULL) <= 0) {
 			pr_debug("Failed to load kernel map.\n");
 			return NULL;
 		}
-- 
1.6.2.5

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