drivers: scsi: use newly introduced hex_to_bin() method

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: Adaptec OEM Raid Solutions <aacraid@adaptec.com>
Cc: "James E.J. Bottomley" <James.Bottomley@suse.de>
Cc: James Smart <james.smart@emulex.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index edb6b362a8fa..d7e470a06180 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -29,6 +29,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
+#include <linux/kernel.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport.h>
@@ -1730,12 +1731,11 @@ fc_parse_wwn(const char *ns, u64 *nm)
 
         /* Validate and store the new name */
         for (i=0, j=0; i < 16; i++) {
-                if ((*ns >= 'a') && (*ns <= 'f'))
-                        j = ((j << 4) | ((*ns++ -'a') + 10));
-                else if ((*ns >= 'A') && (*ns <= 'F'))
-                        j = ((j << 4) | ((*ns++ -'A') + 10));
-                else if ((*ns >= '0') && (*ns <= '9'))
-                        j = ((j << 4) | (*ns++ -'0'));
+                int value;
+
+                value = hex_to_bin(*ns++);
+                if (value >= 0)
+                        j = (j << 4) | value;
                 else
                         return -EINVAL;
                 if (i % 2) {