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Date:   Wed,  7 Sep 2016 07:38:58 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Boaz Harrosh <ooo@...ctrozaur.com>,
        Chaitra P B <chaitra.basappa@...adcom.com>,
        Hannes Reinicke <hare@...e.de>,
        Uday Lingala <uday.lingala@...gotech.com>,
        lindar_liu@...sh.com, Tomas Henzl <thenzl@...hat.com>,
        Sumit Saxena <sumit.saxena@...gotech.com>,
        MPT-FusionLinux.pdl@...adcom.com,
        Suganath Prabu Subramani 
        <suganath-prabu.subramani@...adcom.com>,
        Dick Kennedy <dick.kennedy@...gotech.com>,
        Hannes Reinecke <hare@...e.com>,
        Jack Wang <jinpu.wang@...fitbricks.com>,
        James Smart <james.smart@...gotech.com>,
        Ching Huang <ching2048@...ca.com.tw>,
        Benny Halevy <bhalevy@...marydata.com>,
        megaraidlinux.pdl@...gotech.com,
        Doug Gilbert <dgilbert@...erlog.com>,
        Sathya Prakash <sathya.prakash@...adcom.com>,
        Kashyap Desai <kashyap.desai@...gotech.com>,
        osd-dev@...n-osd.org, Bradley Grove <linuxdrivers@...otech.com>,
        linux-kernel@...r.kernel.org, pmchba@...s.com,
        Johannes Thumshirn <jthumshirn@...e.de>
Subject: [PATCH] scsi: squash lines for simple wrapper functions

Remove unneeded variables and assignments.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 drivers/scsi/aic7xxx/aic79xx_osm.c  |  6 +-----
 drivers/scsi/arcmsr/arcmsr_hba.c    |  4 +---
 drivers/scsi/esas2r/esas2r_ioctl.c  | 20 ++++++++------------
 drivers/scsi/lpfc/lpfc_attr.c       |  8 ++------
 drivers/scsi/lpfc/lpfc_ct.c         |  6 +-----
 drivers/scsi/lpfc/lpfc_scsi.c       |  5 +----
 drivers/scsi/lpfc/lpfc_sli.c        |  5 +----
 drivers/scsi/megaraid/megaraid_mm.c |  6 +-----
 drivers/scsi/mpt3sas/mpt3sas_ctl.c  | 30 ++++++++++--------------------
 drivers/scsi/osd/osd_initiator.c    |  5 +----
 drivers/scsi/pm8001/pm8001_ctl.c    | 10 ++--------
 drivers/scsi/sg.c                   | 10 +++-------
 12 files changed, 32 insertions(+), 83 deletions(-)

diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index 2588b8f..1169e85 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -767,11 +767,7 @@ ahd_linux_biosparam(struct scsi_device *sdev, struct block_device *bdev,
 static int
 ahd_linux_abort(struct scsi_cmnd *cmd)
 {
-	int error;
-	
-	error = ahd_linux_queue_abort_cmd(cmd);
-
-	return error;
+	return ahd_linux_queue_abort_cmd(cmd);
 }
 
 /*
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 7640498..f1c86f5 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -3946,9 +3946,7 @@ sleep:
 static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
 		struct CommandControlBlock *ccb)
 {
-	int rtn;
-	rtn = arcmsr_polling_ccbdone(acb, ccb);
-	return rtn;
+	return arcmsr_polling_ccbdone(acb, ccb);
 }
 
 static int arcmsr_abort(struct scsi_cmnd *cmd)
diff --git a/drivers/scsi/esas2r/esas2r_ioctl.c b/drivers/scsi/esas2r/esas2r_ioctl.c
index 3e84834..12c6284 100644
--- a/drivers/scsi/esas2r/esas2r_ioctl.c
+++ b/drivers/scsi/esas2r/esas2r_ioctl.c
@@ -373,18 +373,14 @@ static bool csmi_ioctl_tunnel(struct esas2r_adapter *a,
 
 static bool check_lun(struct scsi_lun lun)
 {
-	bool result;
-
-	result = ((lun.scsi_lun[7] == 0) &&
-		  (lun.scsi_lun[6] == 0) &&
-		  (lun.scsi_lun[5] == 0) &&
-		  (lun.scsi_lun[4] == 0) &&
-		  (lun.scsi_lun[3] == 0) &&
-		  (lun.scsi_lun[2] == 0) &&
-/* Byte 1 is intentionally skipped */
-		  (lun.scsi_lun[0] == 0));
-
-	return result;
+	return (lun.scsi_lun[7] == 0) &&
+	       (lun.scsi_lun[6] == 0) &&
+	       (lun.scsi_lun[5] == 0) &&
+	       (lun.scsi_lun[4] == 0) &&
+	       (lun.scsi_lun[3] == 0) &&
+	       (lun.scsi_lun[2] == 0) &&
+		/* Byte 1 is intentionally skipped */
+	       (lun.scsi_lun[0] == 0);
 }
 
 static int csmi_ioctl_callback(struct esas2r_adapter *a,
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index f101990..79cb019 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -2625,12 +2625,8 @@ lpfc_oas_lun_state_change(struct lpfc_hba *phba, uint8_t vpt_wwpn[],
 			  uint8_t tgt_wwpn[], uint64_t lun,
 			  uint32_t oas_state, uint8_t pri)
 {
-
-	int rc;
-
-	rc = lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun,
-				    oas_state, pri);
-	return rc;
+	return lpfc_oas_lun_state_set(phba, vpt_wwpn, tgt_wwpn, lun,
+				      oas_state, pri);
 }
 
 /**
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 63e48d4..383943d 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -188,12 +188,8 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 int
 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
 {
-	int handled;
-
 	/* CT upper level goes through BSG */
-	handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
-
-	return handled;
+	return lpfc_bsg_ct_unsol_abort(phba, dmabuf);
 }
 
 static void
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index d197aa1..59188b6 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -2857,10 +2857,7 @@ lpfc_bg_crc(uint8_t *data, int count)
 static uint16_t
 lpfc_bg_csum(uint8_t *data, int count)
 {
-	uint16_t ret;
-
-	ret = ip_compute_csum(data, count);
-	return ret;
+	return ip_compute_csum(data, count);
 }
 
 /*
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 7080ce2..633b64d 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -624,10 +624,7 @@ __lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xritag)
 struct lpfc_sglq *
 __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag)
 {
-	struct lpfc_sglq *sglq;
-
-	sglq =  phba->sli4_hba.lpfc_sglq_active_list[xritag];
-	return sglq;
+	return phba->sli4_hba.lpfc_sglq_active_list[xritag];
 }
 
 /**
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 4cf9ed9..2c1df98 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -1242,11 +1242,7 @@ static long
 mraid_mm_compat_ioctl(struct file *filep, unsigned int cmd,
 		      unsigned long arg)
 {
-	int err;
-
-	err = mraid_mm_ioctl(filep, cmd, arg);
-
-	return err;
+	return mraid_mm_ioctl(filep, cmd, arg);
 }
 #endif
 
diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
index 7d00f09..dc0e8e7 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -2355,15 +2355,13 @@ out_unlock_pciaccess:
 long
 _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	long ret;
-
-	/* pass MPI25_VERSION | MPI26_VERSION value,
+	/*
+	 * pass MPI25_VERSION | MPI26_VERSION value,
 	 * to indicate that this ioctl cmd
 	 * came from mpt3ctl ioctl device.
 	 */
-	ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0,
-		MPI25_VERSION | MPI26_VERSION);
-	return ret;
+	return _ctl_ioctl_main(file, cmd, (void __user *)arg, 0,
+			       MPI25_VERSION | MPI26_VERSION);
 }
 
 /**
@@ -2375,13 +2373,11 @@ _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 long
 _ctl_mpt2_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	long ret;
-
-	/* pass MPI2_VERSION value, to indicate that this ioctl cmd
+	/*
+	 * pass MPI2_VERSION value, to indicate that this ioctl cmd
 	 * came from mpt2ctl ioctl device.
 	 */
-	ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0, MPI2_VERSION);
-	return ret;
+	return _ctl_ioctl_main(file, cmd, (void __user *)arg, 0, MPI2_VERSION);
 }
 #ifdef CONFIG_COMPAT
 /**
@@ -2395,11 +2391,8 @@ _ctl_mpt2_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 long
 _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
 {
-	long ret;
-
-	ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1,
-		MPI25_VERSION | MPI26_VERSION);
-	return ret;
+	return _ctl_ioctl_main(file, cmd, (void __user *)arg, 1,
+			       MPI25_VERSION | MPI26_VERSION);
 }
 
 /**
@@ -2413,10 +2406,7 @@ _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
 long
 _ctl_mpt2_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
 {
-	long ret;
-
-	ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1, MPI2_VERSION);
-	return ret;
+	return _ctl_ioctl_main(file, cmd, (void __user *)arg, 1, MPI2_VERSION);
 }
 #endif
 
diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c
index 2f2a991..86d7092 100644
--- a/drivers/scsi/osd/osd_initiator.c
+++ b/drivers/scsi/osd/osd_initiator.c
@@ -396,11 +396,8 @@ EXPORT_SYMBOL(osd_dev_fini);
 
 static struct osd_request *_osd_request_alloc(gfp_t gfp)
 {
-	struct osd_request *or;
-
 	/* TODO: Use mempool with one saved request */
-	or = kzalloc(sizeof(*or), gfp);
-	return or;
+	return kzalloc(sizeof(struct osd_request), gfp);
 }
 
 static void _osd_request_free(struct osd_request *or)
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index be8269c..5bf3cb0 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -456,10 +456,7 @@ 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)
 {
-	ssize_t count;
-
-	count = pm80xx_get_fatal_dump(cdev, attr, buf);
-	return count;
+	return pm80xx_get_fatal_dump(cdev, attr, buf);
 }
 
 static DEVICE_ATTR(fatal_log, S_IRUGO, pm8001_ctl_fatal_log_show, NULL);
@@ -474,10 +471,7 @@ 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)
 {
-	ssize_t count;
-
-	count = pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf);
-	return count;
+	return pm8001_get_gsm_dump(cdev, SYSFS_OFFSET, buf);
 }
 
 static DEVICE_ATTR(gsm_log, S_IRUGO, pm8001_ctl_gsm_log_show, NULL);
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index ae7d9bd..181dad0 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1129,13 +1129,9 @@ static long sg_compat_ioctl(struct file *filp, unsigned int cmd_in, unsigned lon
 		return -ENXIO;
 
 	sdev = sdp->device;
-	if (sdev->host->hostt->compat_ioctl) { 
-		int ret;
-
-		ret = sdev->host->hostt->compat_ioctl(sdev, cmd_in, (void __user *)arg);
-
-		return ret;
-	}
+	if (sdev->host->hostt->compat_ioctl)
+		return sdev->host->hostt->compat_ioctl(sdev, cmd_in,
+						       (void __user *)arg);
 	
 	return -ENOIOCTLCMD;
 }
-- 
1.9.1

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