staging: tidspbridge: move the dereference below the NULL test

The dereference should be moved below the NULL test.

spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/staging/tidspbridge/core/chnl_sm.c b/drivers/staging/tidspbridge/core/chnl_sm.c
index f38950ea272..16fa3462fbb 100644
--- a/drivers/staging/tidspbridge/core/chnl_sm.c
+++ b/drivers/staging/tidspbridge/core/chnl_sm.c
@@ -94,7 +94,7 @@ int bridge_chnl_add_io_req(struct chnl_object *chnl_obj, void *host_buf,
         struct dev_object *dev_obj;
         u8 dw_state;
         bool is_eos;
-        struct chnl_mgr *chnl_mgr_obj = pchnl->chnl_mgr_obj;
+        struct chnl_mgr *chnl_mgr_obj;
         u8 *host_sys_buf = NULL;
         bool sched_dpc = false;
         u16 mb_val = 0;
@@ -153,6 +153,7 @@ func_cont:
          * If DPC is scheduled in process context (iosm_schedule) and any
          * non-mailbox interrupt occurs, that DPC will run and break CS. Hence
          * we disable ALL DPCs. We will try to disable ONLY IO DPC later. */
+        chnl_mgr_obj = pchnl->chnl_mgr_obj;
         spin_lock_bh(&chnl_mgr_obj->chnl_mgr_lock);
         omap_mbox_disable_irq(dev_ctxt->mbox, IRQ_RX);
         if (pchnl->chnl_type == CHNL_PCPY) {