From 741eb41e8ea100113c910c7100276f16fd739e10 Mon Sep 17 00:00:00 2001 From: Sebastian Ott Date: Thu, 25 Apr 2013 13:02:39 +0200 Subject: [PATCH] --- yaml --- r: 362820 b: refs/heads/master c: bd86055fc938493259a15dc00ee77435b4d2e83f h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/drivers/s390/block/scm_blk_cluster.c | 6 ++++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/[refs] b/[refs] index 50c204b1a1f6..ac41a067eb04 100644 --- 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 index f4bb61b0cea1..c0d102e3a48b 100644 --- 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)); }