Preserve errno in an error case.
Submitted by: gcooper
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=219722
@ -174,8 +174,9 @@ show_battery(int ac, char **av)
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if (mfi_dcmd_command(fd, MFI_DCMD_BBU_GET_STATUS, &stat, sizeof(stat),
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NULL, 0, NULL) < 0) {
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error = errno;
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warn("Failed to get status");
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return (errno);
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return (error);
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}
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printf("mfi%d: Battery State:\n", mfi_unit);
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