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[SCSI] qla2xxx: Return blank sysfs string on initial get thermal failure.

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When thermal temperature initially fails, return a blank string to the
sysfs interface.  This fixes the initial display of 0.00 followed by
subsequent display of blank line; the initial 0.00 should have not
displayed for cards that do not support thermal temperature.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Joe Carnuccio 2012-02-09 11:15:40 -08:00 committed by James Bottomley
parent b3b02e6e95
commit aa61556fa3
1 changed files with 1 additions and 1 deletions
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drivers/scsi/qla2xxx/qla_attr.c
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@ -1365,7 +1365,7 @@ qla2x00_thermal_temp_show(struct device *dev,
else if (!vha->hw->flags.eeh_busy)
rval = qla2x00_get_thermal_temp(vha, &temp, &frac);
if (rval != QLA_SUCCESS)
temp = frac = 0;
return snprintf(buf, PAGE_SIZE, "\n");
return snprintf(buf, PAGE_SIZE, "%d.%02d\n", temp, frac);
}