Author: jhb
Date: Thu Mar 17 21:24:32 2011
New Revision: 219722
URL: http://svn.freebsd.org/changeset/base/219722
Log:
Preserve errno in an error case.
Submitted by: gcooper
Modified:
head/usr.sbin/mfiutil/mfi_show.c
Modified: head/usr.sbin/mfiutil/mfi_show.c
==============================================================================
--- head/usr.sbin/mfiutil/mfi_show.c Thu Mar 17 21:02:14 2011
(r219721)
+++ head/usr.sbin/mfiutil/mfi_show.c Thu Mar 17 21:24:32 2011
(r219722)
@@ -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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