From: Ondrej Zary <linux@rainbow-software.org>
To: linux-scsi@vger.kernel.org
Subject: [PATCH 14/34] atp870u: Remove ugly gotos #2
Date: Sun, 3 May 2015 19:31:30 +0200 [thread overview]
Message-ID: <1430674310-11576-15-git-send-email-linux@rainbow-software.org> (raw)
In-Reply-To: <1430674310-11576-1-git-send-email-linux@rainbow-software.org>
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
---
drivers/scsi/atp870u.c | 68 +++++++++++++++++++++---------------------------
1 file changed, 30 insertions(+), 38 deletions(-)
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index 88339e4..83dff58 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -617,7 +617,7 @@ static DEF_SCSI_QCMD(atp870u_queuecommand)
*/
static void send_s870(struct atp_unit *dev,unsigned char c)
{
- struct scsi_cmnd *workreq;
+ struct scsi_cmnd *workreq = NULL;
unsigned int i;//,k;
unsigned char j, target_id;
unsigned char *prd;
@@ -638,50 +638,42 @@ static void send_s870(struct atp_unit *dev,unsigned char c)
if ((dev->last_cmd[c] != 0xff) && ((dev->last_cmd[c] & 0x40) != 0)) {
dev->last_cmd[c] &= 0x0f;
workreq = dev->id[c][dev->last_cmd[c]].curr_req;
- if (workreq != NULL) { /* check NULL pointer */
- goto cmd_subp;
- }
- dev->last_cmd[c] = 0xff;
- if (dev->quhd[c] == dev->quend[c]) {
- dev->in_snd[c] = 0;
- return ;
+ if (!workreq) {
+ dev->last_cmd[c] = 0xff;
+ if (dev->quhd[c] == dev->quend[c]) {
+ dev->in_snd[c] = 0;
+ return;
+ }
}
}
- if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) {
- dev->in_snd[c] = 0;
- return ;
- }
- dev->working[c]++;
- j = dev->quhd[c];
- dev->quhd[c]++;
- if (dev->quhd[c] >= qcnt) {
- dev->quhd[c] = 0;
- }
- workreq = dev->quereq[c][dev->quhd[c]];
- if (dev->id[c][scmd_id(workreq)].curr_req == NULL) {
+ if (!workreq) {
+ if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) {
+ dev->in_snd[c] = 0;
+ return;
+ }
+ dev->working[c]++;
+ j = dev->quhd[c];
+ dev->quhd[c]++;
+ if (dev->quhd[c] >= qcnt)
+ dev->quhd[c] = 0;
+ workreq = dev->quereq[c][dev->quhd[c]];
+ if (dev->id[c][scmd_id(workreq)].curr_req != NULL) {
+ dev->quhd[c] = j;
+ dev->working[c]--;
+ dev->in_snd[c] = 0;
+ return;
+ }
dev->id[c][scmd_id(workreq)].curr_req = workreq;
dev->last_cmd[c] = scmd_id(workreq);
- goto cmd_subp;
- }
- dev->quhd[c] = j;
- dev->working[c]--;
- dev->in_snd[c] = 0;
- return;
-cmd_subp:
- if ((inb(dev->ioport[c] + 0x1f) & 0xb0) != 0) {
- goto abortsnd;
- }
- if (inb(dev->ioport[c] + 0x1c) == 0) {
- goto oktosend;
}
-abortsnd:
+ if ((inb(dev->ioport[c] + 0x1f) & 0xb0) != 0 || inb(dev->ioport[c] + 0x1c) != 0) {
#ifdef ED_DBGP
- printk("Abort to Send\n");
+ printk("Abort to Send\n");
#endif
- dev->last_cmd[c] |= 0x40;
- dev->in_snd[c] = 0;
- return;
-oktosend:
+ dev->last_cmd[c] |= 0x40;
+ dev->in_snd[c] = 0;
+ return;
+ }
#ifdef ED_DBGP
printk("OK to Send\n");
scmd_printk(KERN_DEBUG, workreq, "CDB");
--
Ondrej Zary
next prev parent reply other threads:[~2015-05-03 17:53 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-03 17:31 [RFC PATCH 00/34] atp870u: Remove the first level of crap Ondrej Zary
2015-05-03 17:31 ` [PATCH 01/34] atp870u: Remove workport Ondrej Zary
2015-05-03 17:31 ` [PATCH 02/34] atp870u: Remove tmport1 Ondrej Zary
2015-05-03 17:31 ` [PATCH 03/34] atp870u: Untangle tmport Ondrej Zary
2015-05-03 17:31 ` [PATCH 04/34] atp870u: Untangle tmport #2 Ondrej Zary
2015-05-03 17:31 ` [PATCH 05/34] atp870u: Untangle tmport #3 Ondrej Zary
2015-05-03 17:31 ` [PATCH 06/34] atp870u: Untangle tmport #4 Ondrej Zary
2015-05-03 17:31 ` [PATCH 07/34] atp870u: Untangle tmport #5 Ondrej Zary
2015-05-03 17:31 ` [PATCH 08/34] atp870u: Untangle tmport #6 Ondrej Zary
2015-05-03 17:31 ` [PATCH 09/34] atp870u: Untangle tmport #7 Ondrej Zary
2015-05-03 17:31 ` [PATCH 10/34] atp870u: Untangle tmport #8 Ondrej Zary
2015-05-03 17:31 ` [PATCH 11/34] atp870u: Untangle tmpcip Ondrej Zary
2015-05-03 17:31 ` [PATCH 12/34] atp870u: Untangle tmpcip #2 Ondrej Zary
2015-05-03 17:31 ` [PATCH 13/34] atp870u: Remove ugly gotos Ondrej Zary
2015-05-03 17:31 ` Ondrej Zary [this message]
2015-05-03 17:31 ` [PATCH 15/34] atp870u: Remove ugly gotos #3 Ondrej Zary
2015-05-03 17:31 ` [PATCH 16/34] atp870u: Remove ugly gotos #4 Ondrej Zary
2015-05-03 17:31 ` [PATCH 17/34] atp870u: Remove ugly gotos #5 Ondrej Zary
2015-05-03 17:31 ` [PATCH 18/34] atp870u: Introduce HW access wrappers Ondrej Zary
2015-05-03 17:31 ` [PATCH 19/34] atp870u: Convert is870() to use wrappers Ondrej Zary
2015-05-03 17:31 ` [PATCH 20/34] atp870u: Convert is880() " Ondrej Zary
2015-05-03 17:31 ` [PATCH 21/34] atp870u: Convert is885() " Ondrej Zary
2015-05-03 17:31 ` [PATCH 22/34] atp870u: Unify code format in is870(), is880() and is885() Ondrej Zary
2015-05-03 17:31 ` [PATCH 23/34] atp870u: Add channel parameter to is870() and is880() Ondrej Zary
2015-05-03 17:31 ` [PATCH 24/34] atp870u: Move chip-specific lines out of is880() and is885() Ondrej Zary
2015-05-03 17:31 ` [PATCH 25/34] atp870u: Remove is880() Ondrej Zary
2015-05-03 17:31 ` [PATCH 26/34] atp870u: Add wide_chip parameter to is870() and is885() Ondrej Zary
2015-05-03 17:31 ` [PATCH 27/34] atp870u: Add remaining 870 support to is885() Ondrej Zary
2015-05-03 17:31 ` [PATCH 28/34] atp870u: Move 870-specific code out of is870() Ondrej Zary
2015-05-03 17:31 ` [PATCH 29/34] atp870u: Remove is870() Ondrej Zary
2015-05-03 17:31 ` [PATCH 30/34] atp870u: Rename is885() to atp_is() Ondrej Zary
2015-05-03 17:31 ` [PATCH 31/34] atp870u: Convert remaining in[bwl] and out[bwl] to wrappers Ondrej Zary
2015-05-03 17:31 ` [PATCH 32/34] atp870u: Replace port 0x80 delay by udelay Ondrej Zary
2015-05-03 17:31 ` [PATCH 33/34] atp870u: Fix incorrect writeb_io access to register 0x3a Ondrej Zary
2015-05-03 17:31 ` [PATCH 34/34] atp870u: Introduce atp_set_host_id Ondrej Zary
2015-05-11 9:06 ` [RFC PATCH 00/34] atp870u: Remove the first level of crap Christoph Hellwig
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