[PATCH] bus: mhi: core: Fix shadow declarations

From: Manivannan Sadhasivam
Date: Thu Apr 08 2021 - 02:45:59 EST


This commit fixes below sparse warnings with W=2 about shadow
declarations:

drivers/bus/mhi/core/main.c: In function ‘parse_xfer_event’:
drivers/bus/mhi/core/main.c:667:17: warning: declaration of ‘flags’ shadows a previous local [-Wshadow]
667 | unsigned long flags;
| ^~~~~
drivers/bus/mhi/core/main.c:565:16: note: shadowed declaration is here
565 | unsigned long flags = 0;
| ^~~~~
drivers/bus/mhi/core/main.c: In function ‘mhi_process_ctrl_ev_ring’:
drivers/bus/mhi/core/main.c:856:23: warning: declaration of ‘new_state’ shadows a previous local [-Wshadow]
856 | enum mhi_pm_state new_state;
| ^~~~~~~~~
drivers/bus/mhi/core/main.c:837:19: note: shadowed declaration is here
837 | enum mhi_state new_state;
| ^~~~~~~~~

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
---
drivers/bus/mhi/core/main.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
index b0c8afe16e3a..8e28e4a3ab4b 100644
--- a/drivers/bus/mhi/core/main.c
+++ b/drivers/bus/mhi/core/main.c
@@ -664,8 +664,6 @@ static int parse_xfer_event(struct mhi_controller *mhi_cntrl,
case MHI_EV_CC_OOB:
case MHI_EV_CC_DB_MODE:
{
- unsigned long flags;
-
mhi_chan->db_cfg.db_mode = 1;
read_lock_irqsave(&mhi_cntrl->pm_lock, flags);
if (tre_ring->wp != tre_ring->rp &&
@@ -853,8 +851,6 @@ int mhi_process_ctrl_ev_ring(struct mhi_controller *mhi_cntrl,
break;
case MHI_STATE_SYS_ERR:
{
- enum mhi_pm_state new_state;
-
dev_dbg(dev, "System error detected\n");
write_lock_irq(&mhi_cntrl->pm_lock);
new_state = mhi_tryset_pm_state(mhi_cntrl,
--
2.25.1