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| author | Gustavo A. R. Silva <gustavo@embeddedor.com> | 2019-07-29 10:08:05 -0500 |
|---|---|---|
| committer | Gustavo A. R. Silva <gustavo@embeddedor.com> | 2019-08-09 19:47:24 -0500 |
| commit | d259f94f7265065b5c2b2bd5bbe4fa9b76504440 (patch) | |
| tree | dc22e6a47c0c11e31ac7d53ba4b645a7041acafb /drivers | |
| parent | e9d81fc5b2014eb17d45ba4940bfb603d57bbcb3 (diff) | |
| download | lwn-d259f94f7265065b5c2b2bd5bbe4fa9b76504440.tar.gz lwn-d259f94f7265065b5c2b2bd5bbe4fa9b76504440.zip | |
watchdog: Mark expected switch fall-throughs
Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings:
drivers/watchdog/ar7_wdt.c: warning: this statement may fall
through [-Wimplicit-fallthrough=]: => 237:3
drivers/watchdog/pcwd.c: warning: this statement may fall
through [-Wimplicit-fallthrough=]: => 653:3
drivers/watchdog/sb_wdog.c: warning: this statement may fall
through [-Wimplicit-fallthrough=]: => 204:3
drivers/watchdog/wdt.c: warning: this statement may fall
through [-Wimplicit-fallthrough=]: => 391:3
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/watchdog/ar7_wdt.c | 1 | ||||
| -rw-r--r-- | drivers/watchdog/pcwd.c | 2 | ||||
| -rw-r--r-- | drivers/watchdog/sb_wdog.c | 1 | ||||
| -rw-r--r-- | drivers/watchdog/wdt.c | 2 |
4 files changed, 4 insertions, 2 deletions
diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c index b9b2d06b3879..668a1c704f28 100644 --- a/drivers/watchdog/ar7_wdt.c +++ b/drivers/watchdog/ar7_wdt.c @@ -235,6 +235,7 @@ static long ar7_wdt_ioctl(struct file *file, ar7_wdt_update_margin(new_margin); ar7_wdt_kick(1); spin_unlock(&wdt_lock); + /* Fall through */ case WDIOC_GETTIMEOUT: if (put_user(margin, (int *)arg)) diff --git a/drivers/watchdog/pcwd.c b/drivers/watchdog/pcwd.c index 1b2cf5b95a89..c3c93e00b320 100644 --- a/drivers/watchdog/pcwd.c +++ b/drivers/watchdog/pcwd.c @@ -651,7 +651,7 @@ static long pcwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return -EINVAL; pcwd_keepalive(); - /* Fall */ + /* Fall through */ case WDIOC_GETTIMEOUT: return put_user(heartbeat, argp); diff --git a/drivers/watchdog/sb_wdog.c b/drivers/watchdog/sb_wdog.c index 5a6ced7a7e8f..202fc8d8ca5f 100644 --- a/drivers/watchdog/sb_wdog.c +++ b/drivers/watchdog/sb_wdog.c @@ -202,6 +202,7 @@ static long sbwdog_ioctl(struct file *file, unsigned int cmd, timeout = time; sbwdog_set(user_dog, timeout); sbwdog_pet(user_dog); + /* Fall through */ case WDIOC_GETTIMEOUT: /* diff --git a/drivers/watchdog/wdt.c b/drivers/watchdog/wdt.c index 0650100fad00..7d278b37e083 100644 --- a/drivers/watchdog/wdt.c +++ b/drivers/watchdog/wdt.c @@ -389,7 +389,7 @@ static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (wdt_set_heartbeat(new_heartbeat)) return -EINVAL; wdt_ping(); - /* Fall */ + /* Fall through */ case WDIOC_GETTIMEOUT: return put_user(heartbeat, p); default: |