shithub: riscv

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plot: handle create() failure

--- a/sys/src/cmd/plot/plot.c

+++ b/sys/src/cmd/plot/plot.c

@@ -673,7 +673,8 @@

 	int fd, p[2];

 	char buf[32];

 	pipe(p);

-	fd = create("/srv/plot", 1, 0666);

+	if((fd = create("/srv/plot", OWRITE, 0666)) < 0)

+		sysfatal("open: %r");

 	sprint(buf, "%d", p[1]);

 	write(fd, buf, strlen(buf));

 	close(fd);