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yaml --- r: 362820 b: refs/heads/master c: bd86055 h: refs/heads/master v: v3
git-mirror · Apr 26, 2013 · 741eb41 · 741eb41
1 parent 218408c
commit 741eb41
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3ad19b8fb07497f975aa6aba187198ce11191dd2
+refs/heads/master: bd86055fc938493259a15dc00ee77435b4d2e83f
diff --git a/trunk/drivers/s390/block/scm_blk_cluster.c b/trunk/drivers/s390/block/scm_blk_cluster.c
@@ -223,6 +223,8 @@ void scm_cluster_request_irq(struct scm_request *scmrq)
 
 bool scm_cluster_size_valid(void)
 {
-	return write_cluster_size == 0 || write_cluster_size == 32 ||
-		write_cluster_size == 64 || write_cluster_size == 128;
+	if (write_cluster_size == 1 || write_cluster_size > 128)
+		return false;
+
+	return !(write_cluster_size & (write_cluster_size - 1));
 }