Messages in this thread Patch in this message | | | From | Sudip Mukherjee <> | Subject | [PATCH 2/2] staging: unisys: dereferencing NULL pointer | Date | Fri, 7 Nov 2014 17:48:35 +0530 |
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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 <sudip@vectorindia.org> --- drivers/staging/unisys/visorchipset/visorchipset_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/unisys/visorchipset/visorchipset_main.c b/drivers/staging/unisys/visorchipset/visorchipset_main.c index b5a0e46..c8f7bea 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", -- 1.8.1.2
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