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path: root/drivers/isdn/i4l/isdn_common.c
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Diffstat (limited to 'drivers/isdn/i4l/isdn_common.c')
-rw-r--r--drivers/isdn/i4l/isdn_common.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index 89b09c51ab7c..38a5bb764c7b 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -1376,6 +1376,7 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg)
if (arg) {
if (copy_from_user(bname, argp, sizeof(bname) - 1))
return -EFAULT;
+ bname[sizeof(bname)-1] = 0;
} else
return -EINVAL;
ret = mutex_lock_interruptible(&dev->mtx);