isdn: fix a wrapping bug in isdn_ppp_ioctl()

[platform/kernel/linux-arm64.git] / drivers / isdn / i4l / isdn_ppp.c

diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index a1e7601..61d78fa 100644 (file)
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -595,7 +595,7 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg)
                        j = ipc->num / (sizeof(long) * 8);
                        i = ipc->num % (sizeof(long) * 8);
                        if (j < 8)
-                               protos[j] |= (0x1 << i);
+                               protos[j] |= (1UL << i);
                        ipc = ipc->next;
                }
                if ((r = set_arg(argp, protos, 8 * sizeof(long))))