From: Darren Salt Date: Wed, 14 Oct 2009 01:19:22 +0000 (+0100) Subject: Staging: rt2860sta: prevent a panic when disabling when associated X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0af49167b1e5ba154e90d2c454bf4624ee47df80;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 Cc: stable Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/rt2860/common/cmm_data_2860.c b/drivers/staging/rt2860/common/cmm_data_2860.c index fb1735533b74..857ff450b6c9 100644 --- a/drivers/staging/rt2860/common/cmm_data_2860.c +++ b/drivers/staging/rt2860/common/cmm_data_2860.c @@ -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;