From ada44065167b1337e3e4bdbb3c310b197405bf77 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Wed, 18 Dec 2019 20:25:22 +0100 Subject: hw/display/tcx: Add missing fall through comments MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When building with GCC9 using CFLAG -Wimplicit-fallthrough=2 we get: hw/display/tcx.c: In function ‘tcx_dac_writel’: hw/display/tcx.c:453:26: error: this statement may fall through [-Werror=implicit-fallthrough=] 453 | s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */ | ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ hw/display/tcx.c:454:9: note: here 454 | default: | ^~~~~~~ hw/display/tcx.c: In function ‘tcx_dac_readl’: hw/display/tcx.c:412:22: error: this statement may fall through [-Werror=implicit-fallthrough=] 412 | s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */ | ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ hw/display/tcx.c:413:5: note: here 413 | default: | ^~~~~~~ cc1: all warnings being treated as errors Give a hint to GCC by adding the missing fall through comments. Fixes: 55d7bfe22 Reviewed-by: Richard Henderson Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Aleksandar Markovic Reviewed-by: Mark Cave-Ayland Message-Id: <20191218192526.13845-3-philmd@redhat.com> Signed-off-by: Paolo Bonzini --- hw/display/tcx.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'hw/display') diff --git a/hw/display/tcx.c b/hw/display/tcx.c index 14e829d..abbeb30 100644 --- a/hw/display/tcx.c +++ b/hw/display/tcx.c @@ -410,6 +410,7 @@ static uint64_t tcx_dac_readl(void *opaque, hwaddr addr, case 2: val = s->b[s->dac_index] << 24; s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */ + /* fall through */ default: s->dac_state = 0; break; @@ -451,6 +452,7 @@ static void tcx_dac_writel(void *opaque, hwaddr addr, uint64_t val, s->b[index] = val >> 24; update_palette_entries(s, index, index + 1); s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */ + /* fall through */ default: s->dac_state = 0; break; -- cgit v1.1