linux-kernel - [PATCH 3/4] ALSA: opti9xx: mark expected switch fall-throughs

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Date:   Thu, 2 Aug 2018 15:41:55 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     linux-kernel@...r.kernel.org
Cc:     alsa-devel@...a-project.org, Takashi Iwai <tiwai@...e.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH 3/4] ALSA: opti9xx: mark expected switch fall-throughs

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 402016 ("Missing break in switch")
Addresses-Coverity-ID: 1056542 ("Missing break in switch")
Addresses-Coverity-ID: 1339579 ("Missing break in switch")
Addresses-Coverity-ID: 1369526 ("Missing break in switch")
Addresses-Coverity-ID: 1369529 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 sound/isa/opti9xx/miro.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c
index 8894c7c..c6136c6 100644
--- a/sound/isa/opti9xx/miro.c
+++ b/sound/isa/opti9xx/miro.c
@@ -176,10 +176,13 @@ static int aci_busy_wait(struct snd_miro_aci *aci)
 			switch (timeout-ACI_MINTIME) {
 			case 0 ... 9:
 				out /= 10;
+				/* fall through */
 			case 10 ... 19:
 				out /= 10;
+				/* fall through */
 			case 20 ... 30:
 				out /= 10;
+				/* fall through */
 			default:
 				set_current_state(TASK_UNINTERRUPTIBLE);
 				schedule_timeout(out);
@@ -834,6 +837,7 @@ static unsigned char snd_miro_read(struct snd_miro *chip,
 			retval = inb(chip->mc_base + 9);
 			break;
 		}
+		/* fall through */
 
 	case OPTi9XX_HW_82C929:
 		retval = inb(chip->mc_base + reg);
@@ -863,6 +867,7 @@ static void snd_miro_write(struct snd_miro *chip, unsigned char reg,
 			outb(value, chip->mc_base + 9);
 			break;
 		}
+		/* fall through */
 
 	case OPTi9XX_HW_82C929:
 		outb(value, chip->mc_base + reg);
-- 
2.7.4