isci: fix a build warning

Use min_t to address:
drivers/scsi/isci/probe_roms.c: In function ‘isci_get_efi_var’:
drivers/scsi/isci/probe_roms.c:241: warning: comparison of distinct pointer types lacks a cast

Reported-by: David Milburn <dmilburn@redhat.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/scsi/isci/probe_roms.c b/drivers/scsi/isci/probe_roms.c
index 1697487f908c..2df8d8e5d5ea 100644
--- a/drivers/scsi/isci/probe_roms.c
+++ b/drivers/scsi/isci/probe_roms.c
@@ -250,9 +250,8 @@ struct isci_orom *isci_get_efi_var(struct pci_dev *pdev)
                 return NULL;
         }
 
-        copy_len = min(evar->DataSize,
-                       min(oem_hdr->len - sizeof(*oem_hdr),
-                           sizeof(*rom)));
+        copy_len = min_t(u16, evar->DataSize,
+                         min_t(u16, oem_hdr->len - sizeof(*oem_hdr), sizeof(*rom)));
 
         memcpy(rom, (char *)evar->Data + sizeof(*oem_hdr), copy_len);