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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 20:16:17 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 20:35:05 +0200 |
| commit | 91be2587e82a0f16348fd8f12a57e4c328baffc7 (patch) | |
| tree | f805f2d53b85ea4b0cfbef051ffaeea707c7aa57 | |
| parent | 5785675dfef4f9edcee66edef7b3af21618d2707 (diff) | |
x86/fpu/math-emu: Address fallthrough warnings
/home/tglx/work/kernel/linus/linux/arch/x86/math-emu/errors.c: In function ‘FPU_printall’:
/home/tglx/work/kernel/linus/linux/arch/x86/math-emu/errors.c:187:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
tagi = FPU_Special(r);
~~~~~^~~~~~~~~~~~~~~~
/home/tglx/work/kernel/linus/linux/arch/x86/math-emu/errors.c:188:3: note: here
case TAG_Valid:
^~~~
/home/tglx/work/kernel/linus/linux/arch/x86/math-emu/fpu_trig.c: In function ‘fyl2xp1’:
/home/tglx/work/kernel/linus/linux/arch/x86/math-emu/fpu_trig.c:1353:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (denormal_operand() < 0)
^
/home/tglx/work/kernel/linus/linux/arch/x86/math-emu/fpu_trig.c:1356:3: note: here
case TAG_Zero:
Remove the pointless 'break;' after 'continue;' while at it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | arch/x86/math-emu/errors.c | 5 | ||||
| -rw-r--r-- | arch/x86/math-emu/fpu_trig.c | 2 |
2 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/math-emu/errors.c b/arch/x86/math-emu/errors.c index 6b468517ab71..73dc66d887f3 100644 --- a/arch/x86/math-emu/errors.c +++ b/arch/x86/math-emu/errors.c @@ -178,13 +178,15 @@ void FPU_printall(void) for (i = 0; i < 8; i++) { FPU_REG *r = &st(i); u_char tagi = FPU_gettagi(i); + switch (tagi) { case TAG_Empty: continue; - break; case TAG_Zero: case TAG_Special: + /* Update tagi for the printk below */ tagi = FPU_Special(r); + /* fall through */ case TAG_Valid: printk("st(%d) %c .%04lx %04lx %04lx %04lx e%+-6d ", i, getsign(r) ? '-' : '+', @@ -198,7 +200,6 @@ void FPU_printall(void) printk("Whoops! Error in errors.c: tag%d is %d ", i, tagi); continue; - break; } printk("%s\n", tag_desc[(int)(unsigned)tagi]); } diff --git a/arch/x86/math-emu/fpu_trig.c b/arch/x86/math-emu/fpu_trig.c index 783c509f957a..127ea54122d7 100644 --- a/arch/x86/math-emu/fpu_trig.c +++ b/arch/x86/math-emu/fpu_trig.c @@ -1352,7 +1352,7 @@ static void fyl2xp1(FPU_REG *st0_ptr, u_char st0_tag) case TW_Denormal: if (denormal_operand() < 0) return; - + /* fall through */ case TAG_Zero: case TAG_Valid: setsign(st0_ptr, getsign(st0_ptr) ^ getsign(st1_ptr)); |