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* [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement
@ 2018-07-16 13:44 ` Colin King
  2018-07-24 16:50   ` Bartlomiej Zolnierkiewicz
  0 siblings, 1 reply; 2+ messages in thread
From: Colin King @ 2018-07-16 13:44 UTC (permalink / raw)
  To: Bartlomiej Zolnierkiewicz, dri-devel, linux-fbdev
  Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

The value of tmp being used in the switch statement has the range of
just 0..3 hence the case 4 statement can never be reached and is
deadcode and can be removed.

Detected by CoverityScan, CID#744384 ("Logically dead code")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/video/fbdev/tridentfb.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c
index 284706184b1b..f4b745590600 100644
--- a/drivers/video/fbdev/tridentfb.c
+++ b/drivers/video/fbdev/tridentfb.c
@@ -777,9 +777,6 @@ static int get_nativex(struct tridentfb_par *par)
 	case 3:
 		x = 800; y = 600;
 		break;
-	case 4:
-		x = 1400; y = 1050;
-		break;
 	case 1:
 	default:
 		x = 640;  y = 480;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement
  2018-07-16 13:44 ` [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement Colin King
@ 2018-07-24 16:50   ` Bartlomiej Zolnierkiewicz
  0 siblings, 0 replies; 2+ messages in thread
From: Bartlomiej Zolnierkiewicz @ 2018-07-24 16:50 UTC (permalink / raw)
  To: Colin King; +Cc: dri-devel, linux-fbdev, kernel-janitors, linux-kernel

On Monday, July 16, 2018 02:44:58 PM Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> The value of tmp being used in the switch statement has the range of
> just 0..3 hence the case 4 statement can never be reached and is
> deadcode and can be removed.
> 
> Detected by CoverityScan, CID#744384 ("Logically dead code")
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Patch queued for 4.19, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2018-07-16 13:44 ` [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement Colin King
2018-07-24 16:50   ` Bartlomiej Zolnierkiewicz

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