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Date: Tue, 23 Apr 2019 10:10:32 -0500 From: "Gustavo A. R. Silva" <gustavo@...eddedor.com> To: Alex Dubov <oakad@...oo.com> Cc: linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org> Subject: Re: [PATCH] memstick: mark expected switch fall-throughs Hi all, If no one cares, I'll add this to my tree for 5.2. Thanks -- Gustavo On 3/20/19 12:40 PM, Gustavo A. R. Silva wrote: > Hi, > > Friendly ping: > > Who can take this? > > Thanks > -- > Gustavo > > On 2/12/19 8:57 PM, Gustavo A. R. Silva wrote: >> In preparation to enabling -Wimplicit-fallthrough, mark switch >> cases where we are expecting to fall through. >> >> This patch fixes the following warnings: >> >> drivers/memstick/host/jmb38x_ms.c: In function ‘jmb38x_ms_write_data’: >> drivers/memstick/host/jmb38x_ms.c:261:15: warning: this statement may fall through [-Wimplicit-fallthrough=] >> host->io_pos++; >> ~~~~~~~~~~~~^~ >> drivers/memstick/host/jmb38x_ms.c:262:2: note: here >> case 2: >> ^~~~ >> drivers/memstick/host/jmb38x_ms.c:264:15: warning: this statement may fall through [-Wimplicit-fallthrough=] >> host->io_pos++; >> ~~~~~~~~~~~~^~ >> drivers/memstick/host/jmb38x_ms.c:265:2: note: here >> case 1: >> ^~~~ >> drivers/memstick/host/tifm_ms.c: In function ‘tifm_ms_write_data’: >> drivers/memstick/host/tifm_ms.c:168:15: warning: this statement may fall through [-Wimplicit-fallthrough=] >> host->io_pos++; >> ~~~~~~~~~~~~^~ >> drivers/memstick/host/tifm_ms.c:169:2: note: here >> case 2: >> ^~~~ >> drivers/memstick/host/tifm_ms.c:171:15: warning: this statement may fall through [-Wimplicit-fallthrough=] >> host->io_pos++; >> ~~~~~~~~~~~~^~ >> drivers/memstick/host/tifm_ms.c:172:2: note: here >> case 1: >> ^~~~ >> >> Warning level 3 was used: -Wimplicit-fallthrough=3 >> >> This patch is part of the ongoing efforts to enable >> -Wimplicit-fallthrough. >> >> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com> >> --- >> drivers/memstick/host/jmb38x_ms.c | 2 ++ >> drivers/memstick/host/tifm_ms.c | 2 ++ >> 2 files changed, 4 insertions(+) >> >> diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c >> index bcdca9fbef51..49c71f55489f 100644 >> --- a/drivers/memstick/host/jmb38x_ms.c >> +++ b/drivers/memstick/host/jmb38x_ms.c >> @@ -259,9 +259,11 @@ static unsigned int jmb38x_ms_write_data(struct jmb38x_ms_host *host, >> case 3: >> host->io_word[0] |= buf[off + 2] << 16; >> host->io_pos++; >> + /* fall through */ >> case 2: >> host->io_word[0] |= buf[off + 1] << 8; >> host->io_pos++; >> + /* fall through */ >> case 1: >> host->io_word[0] |= buf[off]; >> host->io_pos++; >> diff --git a/drivers/memstick/host/tifm_ms.c b/drivers/memstick/host/tifm_ms.c >> index bed205849d02..1bbb2ead9556 100644 >> --- a/drivers/memstick/host/tifm_ms.c >> +++ b/drivers/memstick/host/tifm_ms.c >> @@ -166,9 +166,11 @@ static unsigned int tifm_ms_write_data(struct tifm_ms *host, >> case 3: >> host->io_word |= buf[off + 2] << 16; >> host->io_pos++; >> + /* fall through */ >> case 2: >> host->io_word |= buf[off + 1] << 8; >> host->io_pos++; >> + /* fall through */ >> case 1: >> host->io_word |= buf[off]; >> host->io_pos++; >>
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