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authorGustavo A. R. Silva <gustavo@embeddedor.com>2019-08-10 00:19:11 -0500
committerGustavo A. R. Silva <gustavo@embeddedor.com>2019-08-11 16:15:16 -0500
commit54b13723f765122f3f5f49d07f3e48fa9fcf8c7c (patch)
tree3b3c180dc7f38540c4ee78b976b1409495067194 /arch
parent609488bc979f99f805f34e9a32c1e3b71179d10b (diff)
download96b-common-54b13723f765122f3f5f49d07f3e48fa9fcf8c7c.tar.gz
sh: kernel: disassemble: Mark expected switch fall-throughs
Remove logically dead code and mark switch cases where we are expecting to fall through. Fix the following warnings (Building: defconfig sh): arch/sh/kernel/disassemble.c:478:8: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/sh/kernel/disassemble.c:487:8: warning: this statement may fall through [-Wimplicit-fallthrough=] arch/sh/kernel/disassemble.c:496:8: warning: this statement may fall through [-Wimplicit-fallthrough=] Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/kernel/disassemble.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/sh/kernel/disassemble.c b/arch/sh/kernel/disassemble.c
index defebf1a9c8a..845543780cc5 100644
--- a/arch/sh/kernel/disassemble.c
+++ b/arch/sh/kernel/disassemble.c
@@ -475,8 +475,6 @@ static void print_sh_insn(u32 memaddr, u16 insn)
printk("dbr");
break;
case FD_REG_N:
- if (0)
- goto d_reg_n;
case F_REG_N:
printk("fr%d", rn);
break;
@@ -488,7 +486,7 @@ static void print_sh_insn(u32 memaddr, u16 insn)
printk("xd%d", rn & ~1);
break;
}
- d_reg_n:
+ /* else, fall through */
case D_REG_N:
printk("dr%d", rn);
break;
@@ -497,6 +495,7 @@ static void print_sh_insn(u32 memaddr, u16 insn)
printk("xd%d", rm & ~1);
break;
}
+ /* else, fall through */
case D_REG_M:
printk("dr%d", rm);
break;