1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/isdn/hardware/eicon/maintidi.c b/drivers/isdn/hardware/eicon/maintidi.c
index 23960cb6eaab..41c26e756452 100644
--- a/drivers/isdn/hardware/eicon/maintidi.c
+++ b/drivers/isdn/hardware/eicon/maintidi.c
@@ -959,8 +959,9 @@ static int process_idi_event (diva_strace_context_t* pLib,
         }
         if (!strncmp("State\\Layer2 No1", path, pVar->path_length)) {
                 char* tmp = &pLib->lines[0].pInterface->Layer2[0];
-    dword l2_state;
-    diva_strace_read_uint (pVar, &l2_state);
+                dword l2_state;
+                if (diva_strace_read_uint(pVar, &l2_state))
+                        return -1;
 
                 switch (l2_state) {
                         case 0: