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watchdog: sbc60xxwdt: Mark expected switch fall-through
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warning: drivers/watchdog/sbc60xxwdt.c: In function ‘fop_ioctl’: drivers/watchdog/sbc60xxwdt.c:272:3: warning: this statement may fall through [-Wimplicit-fallthrough=] wdt_keepalive(); ^~~~~~~~~~~~~~~ drivers/watchdog/sbc60xxwdt.c:275:2: note: here case WDIOC_GETTIMEOUT: ^~~~ Notice that, in this particular case, the code comment is modified in accordance with what GCC is expecting to find. This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
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1 changed files with 1 additions and 1 deletions
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@ -270,8 +270,8 @@ static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
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timeout = new_timeout;
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timeout = new_timeout;
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wdt_keepalive();
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wdt_keepalive();
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/* Fall through */
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}
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}
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/* Fall through */
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case WDIOC_GETTIMEOUT:
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case WDIOC_GETTIMEOUT:
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return put_user(timeout, p);
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return put_user(timeout, p);
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default:
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default:
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