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Code Issues Releases Wiki Activity

atp870u: Remove ugly gotos #2

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Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Ondrej Zary 2015-11-17 19:23:50 +01:00 committed by Martin K. Petersen
parent 78614ecdda
commit 468b896815
1 changed files with 30 additions and 38 deletions
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68
drivers/scsi/atp870u.c
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@ -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");