[PATCH 17/20] cciss: fix some magic numbers in the raid-level decoding
From: Stephen M. Cameron
Date: Thu Sep 17 2009 - 14:49:02 EST
cciss: fix some magic numbers in the raid-level decoding
Signed-off-by: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>
---
drivers/block/cciss.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index a8684d0..84f15ec 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -254,8 +254,6 @@ static inline void removeQ(CommandList_struct *c)
#include "cciss_scsi.c" /* For SCSI tape support */
-#define RAID_UNKNOWN 6
-
#ifdef CONFIG_PROC_FS
/*
@@ -267,6 +265,7 @@ static inline void removeQ(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)
static struct proc_dir_entry *proc_cciss;
@@ -340,7 +339,7 @@ static int cciss_seq_show(struct seq_file *seq, void *v)
vol_sz_frac *= 100;
sector_div(vol_sz_frac, ENG_GIG_FACTOR);
- if (drv->raid_level > 5)
+ if (drv->raid_level < 0 || drv->raid_level > RAID_UNKNOWN)
drv->raid_level = RAID_UNKNOWN;
seq_printf(seq, "cciss/c%dd%d:"
"\t%4u.%02uGB\tRAID %s\n",
--
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