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-rw-r--r--drivers/block/cciss.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 51ceaee98f9..e1e7143ca1e 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -335,7 +335,7 @@ static void cciss_map_sg_chain_block(ctlr_info_t *h, CommandList_struct *c,
static const char *raid_label[] = { "0", "4", "1(1+0)", "5", "5+1", "ADG",
"UNKNOWN"
};
-#define RAID_UNKNOWN (sizeof(raid_label) / sizeof(raid_label[0])-1)
+#define RAID_UNKNOWN (ARRAY_SIZE(raid_label)-1)
#ifdef CONFIG_PROC_FS