add use counts to prevent kernel panics (bug #3773)

git-svn-id: http://svn.digium.com/svn/zaptel/branches/v1-0@610 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 5 insertions, 1 deletions

diff --git a/wcfxs.c b/wcfxs.c
index 4377298..8a21d9b 100755
--- a/wcfxs.c
+++ b/wcfxs.c
@@ -1660,7 +1660,9 @@ static int wcfxs_open(struct zt_chan *chan)
 	wc->usecount++;
 #ifndef LINUX26
 	MOD_INC_USE_COUNT;
-#endif
+#else
+	try_module_get(THIS_MODULE);
+#endif	
 	return 0;
 }
 
@@ -1678,6 +1680,8 @@ static int wcfxs_close(struct zt_chan *chan)
 	wc->usecount--;
 #ifndef LINUX26
 	MOD_DEC_USE_COUNT;
+#else
+	module_put(THIS_MODULE);
 #endif
 	for (x=0;x<wc->cards;x++)
 		wc->mod.fxs.idletxhookstate[x] = 1;