[SCSI] ses: Use new scsi VPD helper

SES had its own code to retrieve VPD from devices; convert it to use the
new scsi_get_vpd_page helper.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 4 insertions, 27 deletions

diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index e946e05db7f7..f2cf95235543 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -345,44 +345,21 @@ static int ses_enclosure_find_by_addr(struct enclosure_device *edev,
         return 0;
 }
 
-#define VPD_INQUIRY_SIZE 36
-
 static void ses_match_to_enclosure(struct enclosure_device *edev,
                                    struct scsi_device *sdev)
 {
-        unsigned char *buf = kmalloc(VPD_INQUIRY_SIZE, GFP_KERNEL);
+        unsigned char *buf;
         unsigned char *desc;
-        u16 vpd_len;
+        unsigned int vpd_len;
         struct efd efd = {
                 .addr = 0,
         };
-        unsigned char cmd[] = {
-                INQUIRY,
-                1,
-                0x83,
-                VPD_INQUIRY_SIZE >> 8,
-                VPD_INQUIRY_SIZE & 0xff,
-                0
-        };
 
+        buf = scsi_get_vpd_page(sdev, 0x83);
         if (!buf)
                 return;
 
-        if (scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf,
-                             VPD_INQUIRY_SIZE, NULL, SES_TIMEOUT, SES_RETRIES,
-                             NULL))
-                goto free;
-
-        vpd_len = (buf[2] << 8) + buf[3];
-        kfree(buf);
-        buf = kmalloc(vpd_len, GFP_KERNEL);
-        if (!buf)
-                return;
-        cmd[3] = vpd_len >> 8;
-        cmd[4] = vpd_len & 0xff;
-        if (scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf,
-                             vpd_len, NULL, SES_TIMEOUT, SES_RETRIES, NULL))
-                goto free;
+        vpd_len = ((buf[2] << 8) | buf[3]) + 4;
 
         desc = buf + 4;
         while (desc < buf + vpd_len) {