[PATCH]fix irq handling for DC395

[Oliver Neukum <oliver@neukum.org>]

Hi,

this fix makes sure that all test in irq handling in that
driver are for NULL thus fixing an oops.

	Regards
		Oliver

You can import this changeset into BK by piping this whole message to:
'| bk receive [path to repository]' or apply the patch as usual.

===================================================================


ChangeSet@1.1094, 2003-05-14 08:45:30+02:00, oliver@oenone.homelinux.org
  - fix IRQ problem


 dc395x.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)


diff -Nru a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c
--- a/drivers/scsi/dc395x.c	Wed May 14 10:40:10 2003
+++ b/drivers/scsi/dc395x.c	Wed May 14 10:40:10 2003
@@ -5364,7 +5364,7 @@
 	eeprom = &dc395x_trm_eepromBuf[index];
 	pTempACB = DC395x_pACB_start;
 	if (pTempACB != NULL) {
-		for (; (pTempACB != (struct AdapterCtlBlk *) -1);) {
+		while (pTempACB) {
 			if (pTempACB->IRQLevel == irq) {
 				used_irq = 1;
 				break;
@@ -5842,11 +5842,11 @@
 		if (!DC395x_pACB_start) {
 			DC395x_pACB_start = pACB;
 			DC395x_pACB_current = pACB;
-			pACB->pNextACB = (struct AdapterCtlBlk *) -1;
+			pACB->pNextACB = NULL;
 		} else {
 			DC395x_pACB_current->pNextACB = pACB;
 			DC395x_pACB_current = pACB;
-			pACB->pNextACB = (struct AdapterCtlBlk *) -1;
+			pACB->pNextACB = NULL;
 		}
 		/*DC395x_ACB_UNLOCK(pACB,acb_flags); */
 		return host;
@@ -6077,13 +6077,13 @@
 
 	pACB = DC395x_pACB_start;
 
-	while (pACB != (struct AdapterCtlBlk *) -1) {
+	while (pACB) {
 		shpnt = pACB->pScsiHost;
 		if (shpnt->host_no == hostno)
 			break;
 		pACB = pACB->pNextACB;
 	}
-	if (pACB == (struct AdapterCtlBlk *) -1)
+	if (!pACB)
 		return -ESRCH;
 
 	if (!shpnt)
@@ -6306,7 +6306,7 @@
 		 */
 		int irq_count;
 		for (irq_count = 0, pACB = DC395x_pACB_start;
-		     pACB != (struct AdapterCtlBlk *) -1;
+		     pACB;
 		     pACB = pACB->pNextACB) {
 			if (pACB->IRQLevel == host->irq)
 				++irq_count;

===================================================================


This BitKeeper patch contains the following changesets:
1.1094
## Wrapped with gzip_uu ##


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