From: Chen Qun <kuhn.chen...@huawei.com>
When using -Wimplicit-fallthrough in our CFLAGS, the compiler showed warning:
linux-user/mips/cpu_loop.c: In function ‘cpu_loop’:
linux-user/mips/cpu_loop.c:104:24: warning: this statement may fall through
[-Wimplicit-fallthrough=]
104 | if ((ret = get_user_ual(arg8, sp_reg + 28)) != 0) {
| ^
linux-user/mips/cpu_loop.c:107:17: note: here
107 | case 7:
| ^~~~
linux-user/mips/cpu_loop.c:108:24: warning: this statement may fall through
[-Wimplicit-fallthrough=]
108 | if ((ret = get_user_ual(arg7, sp_reg + 24)) != 0) {
| ^
linux-user/mips/cpu_loop.c:111:17: note: here
111 | case 6:
| ^~~~
linux-user/mips/cpu_loop.c:112:24: warning: this statement may fall through
[-Wimplicit-fallthrough=]
112 | if ((ret = get_user_ual(arg6, sp_reg + 20)) != 0) {
| ^
linux-user/mips/cpu_loop.c:115:17: note: here
115 | case 5:
| ^~~~
Add the corresponding "fall through" comment to fix it.
Reported-by: Euler Robot <euler.ro...@huawei.com>
Signed-off-by: Chen Qun <kuhn.chen...@huawei.com>
Reviewed-by: Thomas Huth <th...@redhat.com>
Reviewed-by: Laurent Vivier <laur...@vivier.eu>
Message-Id: <20201030004046.2191790-5-kuhn.chen...@huawei.com>
Signed-off-by: Laurent Vivier <laur...@vivier.eu>
---
linux-user/mips/cpu_loop.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/linux-user/mips/cpu_loop.c b/linux-user/mips/cpu_loop.c
index 553e8ca7f576..cfe7ba5c47d8 100644
--- a/linux-user/mips/cpu_loop.c
+++ b/linux-user/mips/cpu_loop.c
@@ -104,18 +104,22 @@ void cpu_loop(CPUMIPSState *env)
if ((ret = get_user_ual(arg8, sp_reg + 28)) != 0) {
goto done_syscall;
}
+ /* fall through */
case 7:
if ((ret = get_user_ual(arg7, sp_reg + 24)) != 0) {
goto done_syscall;
}
+ /* fall through */
case 6:
if ((ret = get_user_ual(arg6, sp_reg + 20)) != 0) {
goto done_syscall;
}
+ /* fall through */
case 5:
if ((ret = get_user_ual(arg5, sp_reg + 16)) != 0) {
goto done_syscall;
}
+ /* fall through */
default:
break;
}
--
2.28.0
