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[SCSI] scsi_dh_hp_sw: Adding the match function for hp_sw device handler 

This patch introduces the match function for hp_sw device handler.  Included
the check for TPGS bit before proceeding further per Hannes comment.  The
match function was introduced by commit
6c3633d08a

Signed-off-by: Babu Moger <babu.moger@netapp.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Moger, Babu 2011-12-01 15:01:28 -05:00 committed by James Bottomley
parent 4f10143f6e
commit a315969e8d
1 changed files with 19 additions and 0 deletions
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19
drivers/scsi/device_handler/scsi_dh_hp_sw.c
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@ -320,6 +320,24 @@ static const struct scsi_dh_devlist hp_sw_dh_data_list[] = {
{NULL, NULL},
};
static bool hp_sw_match(struct scsi_device *sdev)
{
int i;
if (scsi_device_tpgs(sdev))
return false;
for (i = 0; hp_sw_dh_data_list[i].vendor; i++) {
if (!strncmp(sdev->vendor, hp_sw_dh_data_list[i].vendor,
strlen(hp_sw_dh_data_list[i].vendor)) &&
!strncmp(sdev->model, hp_sw_dh_data_list[i].model,
strlen(hp_sw_dh_data_list[i].model))) {
return true;
}
}
return false;
}
static int hp_sw_bus_attach(struct scsi_device *sdev);
static void hp_sw_bus_detach(struct scsi_device *sdev);
@ -331,6 +349,7 @@ static struct scsi_device_handler hp_sw_dh = {
.detach = hp_sw_bus_detach,
.activate = hp_sw_activate,
.prep_fn = hp_sw_prep_fn,
.match = hp_sw_match,
};
static int hp_sw_bus_attach(struct scsi_device *sdev)