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2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/tools/testing/selftests/resctrl/mba_test.c
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@@ -28,6 +28,7 @@
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 	struct resctrl_val_param *p;
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 	char allocation_str[64];
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 	va_list param;
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+	int ret;
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 	va_start(param, num);
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 	p = va_arg(param, struct resctrl_val_param *);
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@@ -45,7 +46,11 @@
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 	sprintf(allocation_str, "%d", allocation);
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-	write_schemata(p->ctrlgrp, allocation_str, p->cpu_no, p->resctrl_val);
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+	ret = write_schemata(p->ctrlgrp, allocation_str, p->cpu_no,
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+			     p->resctrl_val);
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+	if (ret < 0)
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+		return ret;
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+
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 	allocation -= ALLOCATION_STEP;
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 	return 0;