[tip:perf/core] perf hists browser: Only offer symbol scripting when a symbol is under the cursor

[tip-bot for Namhyung Kim]

Commit-ID:  c221acb0f970d3b80d72c812cda19c121acf5d52
Gitweb:     http://git.kernel.org/tip/c221acb0f970d3b80d72c812cda19c121acf5d52
Author:     Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Thu, 21 Jan 2016 19:50:09 -0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 26 Jan 2016 11:52:49 -0300

perf hists browser: Only offer symbol scripting when a symbol is under the cursor

When this feature was introduced a check was made if there was a
resolved symbol under the cursor, it got lost in commit ea7cd5923309
("perf hists browser: Split popup menu actions - part 2"), reinstate it.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Tested-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>,
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Fixes: ea7cd5923309 ("perf hists browser: Split popup menu actions - part 2")
Link: http://lkml.kernel.org/r/1452960197-5323-9-git-send-email-namhyung@xxxxxxxxxx
[ Carved out from a  larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/ui/browsers/hists.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index e66b3a3..2801d80 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -2322,10 +2322,12 @@ skip_annotation:
 			 *
 			 * See hist_browser__show_entry.
 			 */
-			nr_options += add_script_opt(browser,
-						     &actions[nr_options],
-						     &options[nr_options],
-						     NULL, browser->selection->sym);
+			if (sort__has_sym && browser->selection->sym) {
+				nr_options += add_script_opt(browser,
+							     &actions[nr_options],
+							     &options[nr_options],
+							     NULL, browser->selection->sym);
+			}
 		}
 		nr_options += add_script_opt(browser, &actions[nr_options],
 					     &options[nr_options], NULL, NULL);