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authorStephen M. Cameron <scameron@beardog.cce.hp.com>2010-05-27 20:13:32 (GMT)
committerJames Bottomley <James.Bottomley@suse.de>2010-07-27 17:01:08 (GMT)
commit76c46e4970f7ee6d8c54220a767e93d67b74cd33 (patch)
tree9f5840afb6261cc66fbcb0d2510df6034de22973 /drivers/scsi/hpsa.c
parentb93d7536eaa1206ad4a00ad8ea700ff0bd75a0da (diff)
downloadlinux-fsl-qoriq-76c46e4970f7ee6d8c54220a767e93d67b74cd33.tar.xz
[SCSI] hpsa: factor out hpsa-CISS-signature-present
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/hpsa.c')
-rw-r--r--drivers/scsi/hpsa.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index dcbe54b..f2a9af6 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3372,6 +3372,18 @@ static void __devinit hpsa_find_board_params(struct ctlr_info *h)
}
}
+static inline bool hpsa_CISS_signature_present(struct ctlr_info *h)
+{
+ if ((readb(&h->cfgtable->Signature[0]) != 'C') ||
+ (readb(&h->cfgtable->Signature[1]) != 'I') ||
+ (readb(&h->cfgtable->Signature[2]) != 'S') ||
+ (readb(&h->cfgtable->Signature[3]) != 'S')) {
+ dev_warn(&h->pdev->dev, "not a valid CISS config table\n");
+ return false;
+ }
+ return true;
+}
+
static int __devinit hpsa_pci_init(struct ctlr_info *h)
{
int i, prod_index, err;
@@ -3415,11 +3427,7 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
goto err_out_free_res;
hpsa_find_board_params(h);
- if ((readb(&h->cfgtable->Signature[0]) != 'C') ||
- (readb(&h->cfgtable->Signature[1]) != 'I') ||
- (readb(&h->cfgtable->Signature[2]) != 'S') ||
- (readb(&h->cfgtable->Signature[3]) != 'S')) {
- dev_warn(&h->pdev->dev, "not a valid CISS config table\n");
+ if (!hpsa_CISS_signature_present(h)) {
err = -ENODEV;
goto err_out_free_res;
}