From: Viswas G <Viswas.G@pmcs.com>
Date: Wed, 27 Nov 2013 05:42:33 +0000 (+0530)
Subject: [SCSI] pm80xx: Fixed return value issue.
X-Git-Tag: next-20131220~13^2~12
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8e46555b909e7f81fdbba821fa399a37ee3a5319;p=karo-tx-linux.git

[SCSI] pm80xx: Fixed return value issue.

pm80xx_get_gsm_dump() was returning "1" in error case instead of
negative error value.

Signed-off-by: Viswas G <Viswas.G@pmcs.com>
Reviewed-by: Jack Wang <xjtuwjp@gmail.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index 1e055ae61cdc..ce918520a5f0 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -460,7 +460,7 @@ static DEVICE_ATTR(iop_log, S_IRUGO, pm8001_ctl_iop_log_show, NULL);
 static ssize_t pm8001_ctl_fatal_log_show(struct device *cdev,
 	struct device_attribute *attr, char *buf)
 {
-	u32 count;
+	ssize_t count;
 
 	count = pm80xx_get_fatal_dump(cdev, attr, buf);
 	return count;
@@ -478,7 +478,7 @@ static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL);
 static ssize_t pm8001_ctl_gsm_log_show(struct device *cdev,
 	struct device_attribute *attr, char *buf)
 {
-	u32 count;
+	ssize_t count;
 
 	count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf);
 	return count;
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 2aa068112bda..46ace52eeb2d 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -5020,7 +5020,7 @@ pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
 	/* check max is 1 Mbytes */
 	if ((length > 0x100000) || (gsm_dump_offset & 3) ||
 		((gsm_dump_offset + length) > 0x1000000))
-			return 1;
+			return -EINVAL;
 
 	if (pm8001_ha->chip_id == chip_8001)
 		bar = 2;
@@ -5048,12 +5048,12 @@ pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
 				gsm_base = GSM_BASE;
 				if (-1 == pm8001_bar4_shift(pm8001_ha,
 						(gsm_base + shift_value)))
-					return 1;
+					return -EIO;
 			} else {
 				gsm_base = 0;
 				if (-1 == pm80xx_bar4_shift(pm8001_ha,
 						(gsm_base + shift_value)))
-					return 1;
+					return -EIO;
 			}
 			gsm_dump_offset = (gsm_dump_offset + offset) &
 						0xFFFF0000;
@@ -5073,7 +5073,7 @@ pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
 	}
 	/* Shift back to BAR4 original address */
 	if (-1 == pm8001_bar4_shift(pm8001_ha, 0))
-			return 1;
+			return -EIO;
 	pm8001_ha->fatal_forensic_shift_offset += 1024;
 
 	if (pm8001_ha->fatal_forensic_shift_offset >= 0x100000)