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Staging: rt2860sta: prevent a panic when disabling when associated 

This fixes a panic which is triggered when the hardware "disappears" from
beneath the driver, i.e. when wireless is toggled off via Fn-F2 on various
EeePC models.

Ref. bug report http://bugzilla.kernel.org/show_bug.cgi?id=13390
          panic http://bugzilla.kernel.org/attachment.cgi?id=21928

Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Darren Salt 2009-10-14 02:19:22 +01:00 committed by Greg Kroah-Hartman
parent 5f267996eb
commit 0af49167b1
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/rt2860/common/cmm_data_2860.c
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@ -363,6 +363,8 @@ int RtmpPCIMgmtKickOut(
ULONG SwIdx = pAd->MgmtRing.TxCpuIdx;
pTxD = (PTXD_STRUC) pAd->MgmtRing.Cell[SwIdx].AllocVa;
if (!pTxD)
return 0;
pAd->MgmtRing.Cell[SwIdx].pNdisPacket = pPacket;
pAd->MgmtRing.Cell[SwIdx].pNextNdisPacket = NULL;