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--- crash-trace-command-2.0/trace.c.orig
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+++ crash-trace-command-2.0/trace.c
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@@ -1373,7 +1373,7 @@ static void ftrace_dump(int argc, char *
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 			if (dump_symbols || dump_meta_data || argc - optind > 1)
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 				cmd_usage(pc->curcmd, SYNOPSIS);
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 			else {
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-				char *trace_dat;
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+				char *trace_dat = "trace.dat";
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 				int fd;
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 				if (argc - optind == 0)