This fixes the thrd->req_running field being accessed before thrd is checked for null. The error was introduced in abb959f.
Signed-off-by: Mans Rullgard mans.rullgard@linaro.org --- arch/arm/common/pl330.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/arm/common/pl330.c b/arch/arm/common/pl330.c index 8d8df74..67abef5 100644 --- a/arch/arm/common/pl330.c +++ b/arch/arm/common/pl330.c @@ -1496,12 +1496,13 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op) struct pl330_thread *thrd = ch_id; struct pl330_dmac *pl330; unsigned long flags; - int ret = 0, active = thrd->req_running; + int ret = 0, active;
if (!thrd || thrd->free || thrd->dmac->state == DYING) return -EINVAL;
pl330 = thrd->dmac; + active = thrd->req_running;
spin_lock_irqsave(&pl330->lock, flags);