Bluetooth: bt3c_cs: Fix obsolete function

simple_strtol and simple_strtoul are obsolete, both place
use kstrtouint instead.

V2: fix error tmp += tn
V3: fix compile error

Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index 25b0cf952b91..54713833951a 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -448,7 +448,7 @@ static int bt3c_load_firmware(struct bt3c_info *info,
 {
         char *ptr = (char *) firmware;
         char b[9];
-        unsigned int iobase, tmp;
+        unsigned int iobase, tmp, tn;
         unsigned long size, addr, fcs;
         int i, err = 0;
 
@@ -490,7 +490,9 @@ static int bt3c_load_firmware(struct bt3c_info *info,
                 memset(b, 0, sizeof(b));
                 for (tmp = 0, i = 0; i < size; i++) {
                         memcpy(b, ptr + (i * 2) + 2, 2);
-                        tmp += simple_strtol(b, NULL, 16);
+                        if (kstrtouint(b, 16, &tn))
+                                return -EINVAL;
+                        tmp += tn;
                 }
 
                 if (((tmp + fcs) & 0xff) != 0xff) {
@@ -505,7 +507,8 @@ static int bt3c_load_firmware(struct bt3c_info *info,
                         memset(b, 0, sizeof(b));
                         for (i = 0; i < (size - 4) / 2; i++) {
                                 memcpy(b, ptr + (i * 4) + 12, 4);
-                                tmp = simple_strtoul(b, NULL, 16);
+                                if (kstrtouint(b, 16, &tmp))
+                                        return -EINVAL;
                                 bt3c_put(iobase, tmp);
                         }
                 }