gigaset: fix possible oops in error handling

Use pr_warning() / pr_err() instead of dev_warn() / dev_err() in two
places where the dev pointer isn't guaranteed to be valid.

Impact: error handling bugfix
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 3 deletions

diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 820a30923fee..1ebfcab74662 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -599,8 +599,7 @@ void gigaset_if_init(struct cardstate *cs)
         if (!IS_ERR(cs->tty_dev))
                 dev_set_drvdata(cs->tty_dev, cs);
         else {
-                dev_warn(cs->dev,
-                         "could not register device to the tty subsystem\n");
+                pr_warning("could not register device to the tty subsystem\n");
                 cs->tty_dev = NULL;
         }
         mutex_unlock(&cs->mutex);
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c
index da6f3acf9fd0..9715aad9c3f0 100644
--- a/drivers/isdn/gigaset/proc.c
+++ b/drivers/isdn/gigaset/proc.c
@@ -79,5 +79,5 @@ void gigaset_init_dev_sysfs(struct cardstate *cs)
 
         gig_dbg(DEBUG_INIT, "setting up sysfs");
         if (device_create_file(cs->tty_dev, &dev_attr_cidmode))
-                dev_err(cs->dev, "could not create sysfs attribute\n");
+                pr_err("could not create sysfs attribute\n");
 }