---

yaml --- r: 188950 b: refs/heads/master c: 4a31ba5 h: refs/heads/master v: v3
git-mirror · Mar 24, 2010 · ba84673 · ba84673
1 parent dafdc9f
commit ba84673
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1bff779285f89cd0b62955c20cca70ada4074236
+refs/heads/master: 4a31ba57cae853ce1ac00a22c0f5d80bd36685ed
diff --git a/trunk/drivers/s390/block/dasd_3990_erp.c b/trunk/drivers/s390/block/dasd_3990_erp.c
@@ -2287,7 +2287,8 @@ static struct dasd_ccw_req *dasd_3990_erp_add_erp(struct dasd_ccw_req *cqr)
 
 	if (cqr->cpmode == 1) {
 		cplength = 0;
-		datasize = sizeof(struct tcw) + sizeof(struct tsb);
+		/* TCW needs to be 64 byte aligned, so leave enough room */
+		datasize = 64 + sizeof(struct tcw) + sizeof(struct tsb);
 	} else {
 		cplength = 2;
 		datasize = 0;
@@ -2316,8 +2317,8 @@ static struct dasd_ccw_req *dasd_3990_erp_add_erp(struct dasd_ccw_req *cqr)
 	if (cqr->cpmode == 1) {
 		/* make a shallow copy of the original tcw but set new tsb */
 		erp->cpmode = 1;
-		erp->cpaddr = erp->data;
-		tcw = erp->data;
+		erp->cpaddr = PTR_ALIGN(erp->data, 64);
+		tcw = erp->cpaddr;
 		tsb = (struct tsb *) &tcw[1];
 		*tcw = *((struct tcw *)cqr->cpaddr);
 		tcw->tsb = (long)tsb;