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[SCSI] Return -EINVAL when "id == max_id" in scsi_scan_host_selected()

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The scsi_scan_host_selected() should return -EINVAL when the id is equal
to the max_id. Currently it uses ">" when comparing with max_id, and
hence leaves the border case when "id==max_id".
The channel and lun have values valid from 0 up to,
and including, max_channel or max_lun. But, the valid values for id
range from 0 to max_id-1. This patch fixes the problem.

Signed-off-by: Amit Arora <aarora@in.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Amit Arora 2006-05-19 16:14:50 -07:00 committed by James Bottomley
parent 93ef588735
commit 091686d3b5
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/scsi_scan.c
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@ -1503,7 +1503,7 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel,
__FUNCTION__, channel, id, lun));
if (((channel != SCAN_WILD_CARD) && (channel > shost->max_channel)) ||
((id != SCAN_WILD_CARD) && (id > shost->max_id)) ||
((id != SCAN_WILD_CARD) && (id >= shost->max_id)) ||
((lun != SCAN_WILD_CARD) && (lun > shost->max_lun)))
return -EINVAL;