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Preserve errno in an error case.

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Submitted by:	gcooper
This commit is contained in:
John Baldwin 2011-03-17 21:24:32 +00:00
parent 8d7dcf14ff
commit b09e402ad0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=219722
1 changed files with 2 additions and 1 deletions
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3
usr.sbin/mfiutil/mfi_show.c
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@ -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);