[SCSI] psi240i.c: fix an array overrun

Fix an array overrun spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/psi240i.c b/drivers/scsi/psi240i.c
index ac0419e..899e89d 100644
--- a/drivers/scsi/psi240i.c
+++ b/drivers/scsi/psi240i.c
@@ -328,7 +328,7 @@
 				pinquiryData->AdditionalLength = 35 - 4;
 
 				// Fill in vendor identification fields.
-				for ( z = 0;  z < 20;  z += 2 )
+				for ( z = 0;  z < 8;  z += 2 )
 					{
 					pinquiryData->VendorId[z]	  = ((UCHAR *)identifyData.ModelNumber)[z + 1];
 					pinquiryData->VendorId[z + 1] = ((UCHAR *)identifyData.ModelNumber)[z];