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tools lib traceevent: Fix reporting of unknown SVM exit reasons

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On AMD, exist code -1 is also a possible value, but we use it for
terminating the list of known exit reasons. This leads to EXIT_ERR being
reported for unkown ones. Fix this by using an NULL string pointer as
terminal.

Link: http://lkml.kernel.org/r/5741D817.3070902@web.de
Link: http://lore.kernel.org/linux-trace-devel/20200702174950.123454-7-tz.stoyanov@gmail.com

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
[ Ported from trace-cmd.git ]
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: linux-trace-devel@vger.kernel.org
Link: http://lore.kernel.org/lkml/20200702185705.759824282@goodmis.org
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jan Kiszka 2020-07-02 14:53:59 -04:00 committed by Arnaldo Carvalho de Melo
parent 4e59ab93e2
commit e8f331aa91
1 changed files with 1 additions and 1 deletions
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2
tools/lib/traceevent/plugins/plugin_kvm.c
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@ -245,7 +245,7 @@ static const char *find_exit_reason(unsigned isa, int val)
}
if (!strings)
return "UNKNOWN-ISA";
for (i = 0; strings[i].val >= 0; i++)
for (i = 0; strings[i].str; i++)
if (strings[i].val == val)
break;