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;
_
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]