[S390] tape: fix dbf usage
Get rid of the format string "%s" usage with volatile strings
to prevent use after free errors in the s390dbf.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index 29c2d73..6c40867 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -1077,15 +1077,14 @@
/* FIXME: What to do with the request? */
switch (PTR_ERR(irb)) {
case -ETIMEDOUT:
- DBF_LH(1, "(%s): Request timed out\n",
- dev_name(&cdev->dev));
+ DBF_LH(1, "(%08x): Request timed out\n",
+ device->cdev_id);
case -EIO:
__tape_end_request(device, request, -EIO);
break;
default:
- DBF_LH(1, "(%s): Unexpected i/o error %li\n",
- dev_name(&cdev->dev),
- PTR_ERR(irb));
+ DBF_LH(1, "(%08x): Unexpected i/o error %li\n",
+ device->cdev_id, PTR_ERR(irb));
}
return;
}