isdn/gigaset: correct CAPI connection state storage

CAPI applications can handle several connections in parallel,
so one connection state per application isn't sufficient.
Store the connection state in the channel structure instead.

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

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 9778fabbc488..5d4befb81057 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -649,6 +649,10 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
         for (i = 0; i < AT_NUM; ++i)
                 bcs->commands[i] = NULL;
 
+        spin_lock_init(&bcs->aplock);
+        bcs->ap = NULL;
+        bcs->apconnstate = 0;
+
         gig_dbg(DEBUG_INIT, "  setting up bcs[%d]->hw", channel);
         if (cs->ops->initbcshw(bcs))
                 return bcs;