tools lib traceevent: Get rid of malloc_or_die() in show_error()

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1386833777-3790-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 15 insertions, 1 deletions

diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c
index ab402fb2dcf7..d4b0bac80dc8 100644
--- a/tools/lib/traceevent/parse-filter.c
+++ b/tools/lib/traceevent/parse-filter.c
@@ -56,7 +56,21 @@ static void show_error(char **error_str, const char *fmt, ...)
         index = pevent_get_input_buf_ptr();
         len = input ? strlen(input) : 0;
 
-        error = malloc_or_die(MAX_ERR_STR_SIZE + (len*2) + 3);
+        error = malloc(MAX_ERR_STR_SIZE + (len*2) + 3);
+        if (error == NULL) {
+                /*
+                 * Maybe it's due to len is too long.
+                 * Retry without the input buffer part.
+                 */
+                len = 0;
+
+                error = malloc(MAX_ERR_STR_SIZE);
+                if (error == NULL) {
+                        /* no memory */
+                        *error_str = NULL;
+                        return;
+                }
+        }
 
         if (len) {
                 strcpy(error, input);