From: Sudip Mukherjee Date: Fri, 7 Nov 2014 12:18:35 +0000 (+0530) Subject: staging: unisys: dereferencing NULL pointer X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=930a021f2ec59d2143ca86a357773128785ed16f;p=linux-beck.git staging: unisys: dereferencing NULL pointer we can reach the label Away in total five situation and in four of of them pDevInfo is NULL. so we were basically dereferencing a NULL pointer. Signed-off-by: Sudip Mukherjee Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/unisys/visorchipset/visorchipset_main.c b/drivers/staging/unisys/visorchipset/visorchipset_main.c index b5a0e460da07..c8f7beaac87a 100644 --- a/drivers/staging/unisys/visorchipset/visorchipset_main.c +++ b/drivers/staging/unisys/visorchipset/visorchipset_main.c @@ -1298,7 +1298,8 @@ my_device_create(struct controlvm_message *inmsg) POSTCODE_SEVERITY_INFO); Away: /* get the bus and devNo for DiagPool channel */ - if (is_diagpool_channel(pDevInfo->chan_info.channel_type_uuid)) { + if (pDevInfo && + is_diagpool_channel(pDevInfo->chan_info.channel_type_uuid)) { g_diagpoolBusNo = busNo; g_diagpoolDevNo = devNo; LOGINF("CONTROLVM_DEVICE_CREATE for DiagPool channel: busNo=%lu, devNo=%lu",