[PATCH 7/8] rt-tests: deadline_test: Exit with message if threads less than 1

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If the user tries to run deadline_test with threads less than  1 (zero
for example), then exit with an error message.

Signed-off-by: John Kacur <jkacur@xxxxxxxxxx>
---
 src/sched_deadline/deadline_test.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/sched_deadline/deadline_test.c b/src/sched_deadline/deadline_test.c
index 1763c71486a9..53abd4d2ca6b 100644
--- a/src/sched_deadline/deadline_test.c
+++ b/src/sched_deadline/deadline_test.c
@@ -1817,6 +1817,11 @@ int main(int argc, char **argv)
 		exit(-1);
 	}
 
+	if (nr_threads < 1) {
+		fprintf(stderr, "The number of threads must be at least 1\n");
+		exit(-1);
+	}
+
 	if (setcpu) {
 		nr_cpus = calc_nr_cpus(setcpu, &setcpu_buf);
 		if (nr_cpus < 0) {
-- 
2.31.1




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