From 1ad2b561109c6521ad0385ceeb1aefa4cd6308f4 Mon Sep 17 00:00:00 2001
From: jhb <jhb@FreeBSD.org>
Date: Thu, 17 Mar 2011 21:24:32 +0000
Subject: Preserve errno in an error case.

Submitted by:	gcooper
---
 usr.sbin/mfiutil/mfi_show.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'usr.sbin')

diff --git a/usr.sbin/mfiutil/mfi_show.c b/usr.sbin/mfiutil/mfi_show.c
index 8b227b8..b09bed7 100644
--- a/usr.sbin/mfiutil/mfi_show.c
+++ b/usr.sbin/mfiutil/mfi_show.c
@@ -174,8 +174,9 @@ show_battery(int ac, char **av)
 
 	if (mfi_dcmd_command(fd, MFI_DCMD_BBU_GET_STATUS, &stat, sizeof(stat),
 	    NULL, 0, NULL) < 0) {
+		error = errno;
 		warn("Failed to get status");
-		return (errno);
+		return (error);
 	}
 
 	printf("mfi%d: Battery State:\n", mfi_unit);
-- 
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