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staging: vchiq: Fix an uninitialized variable

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Smatch complains that "userdata" can be passed to vchiq_bulk_transfer()
without being initialized.  This leads to a potential information leak
later on.

Fixes: a4367cd2b2 ("staging: vchiq: convert compat bulk transfer")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200930123036.GC4282@kadam
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter
2020-09-30 15:30:36 +03:00
committed by Greg Kroah-Hartman
parent 29838144f2
commit c1981671a4
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
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@@ -952,7 +952,7 @@ static int vchiq_irq_queue_bulk_tx_rx(struct vchiq_instance *instance,
{
struct vchiq_service *service;
struct bulk_waiter_node *waiter = NULL;
void *userdata;
void *userdata = NULL;
int status = 0;
int ret;