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author | Sudip Mukherjee | 2014-11-07 13:18:35 +0100 |
---|---|---|
committer | Greg Kroah-Hartman | 2014-11-07 18:22:46 +0100 |
commit | 930a021f2ec59d2143ca86a357773128785ed16f (patch) | |
tree | 77266a6bcbfbd20f93e428313668adb4f31a9849 /drivers/staging/unisys | |
parent | staging: unisys: unneeded NULL check (diff) | |
download | kernel-qcow2-linux-930a021f2ec59d2143ca86a357773128785ed16f.tar.gz kernel-qcow2-linux-930a021f2ec59d2143ca86a357773128785ed16f.tar.xz kernel-qcow2-linux-930a021f2ec59d2143ca86a357773128785ed16f.zip |
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 <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/unisys')
-rw-r--r-- | drivers/staging/unisys/visorchipset/visorchipset_main.c | 3 |
1 files changed, 2 insertions, 1 deletions
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", |