From: Jean Tourrilhes <[email protected]>
Acked-by: "David S. Miller" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
25-akpm/net/irda/irda_device.c | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
diff -puN net/irda/irda_device.c~irda_device-oops-fix net/irda/irda_device.c
--- 25/net/irda/irda_device.c~irda_device-oops-fix 2005-04-12 03:21:08.744807488 -0700
+++ 25-akpm/net/irda/irda_device.c 2005-04-12 03:21:08.747807032 -0700
@@ -125,8 +125,15 @@ void irda_device_set_media_busy(struct n
self = (struct irlap_cb *) dev->atalk_ptr;
- IRDA_ASSERT(self != NULL, return;);
- IRDA_ASSERT(self->magic == LAP_MAGIC, return;);
+ /* Some drivers may enable the receive interrupt before calling
+ * irlap_open(), or they may disable the receive interrupt
+ * after calling irlap_close().
+ * The IrDA stack is protected from this in irlap_driver_rcv().
+ * However, the driver calls directly the wrapper, that calls
+ * us directly. Make sure we protect ourselves.
+ * Jean II */
+ if (!self || self->magic != LAP_MAGIC)
+ return;
if (status) {
self->media_busy = TRUE;
_
-
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