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cciss: fix some magic numbers in the raid-level decoding

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cciss: fix some magic numbers in the raid-level decoding

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Stephen M. Cameron 2009-09-17 13:48:15 -05:00 committed by Jens Axboe
parent ce84a8aeac
commit fa52bec9df
1 changed files with 2 additions and 3 deletions
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5
drivers/block/cciss.c
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@ -255,8 +255,6 @@ static inline void removeQ(CommandList_struct *c)
#include "cciss_scsi.c" /* For SCSI tape support */
#define RAID_UNKNOWN 6
#ifdef CONFIG_PROC_FS
/*
@ -268,6 +266,7 @@ 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;
@ -341,7 +340,7 @@ 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",