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s390/mm: add fallthrough annotations

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Commit a035d552a93b ("Makefile: Globally enable fall-through warning")
enables fall-through warnings globally. Add missing annotations.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2019-07-29 07:39:44 +02:00 committed by Vasily Gorbik
parent ffbd268506
commit 7f5aa1154b
1 changed files with 3 additions and 0 deletions
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3
arch/s390/mm/fault.c
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@ -327,6 +327,7 @@ static noinline void do_fault_error(struct pt_regs *regs, int access,
case VM_FAULT_BADACCESS:
if (access == VM_EXEC && signal_return(regs) == 0)
break;
/* fallthrough */
case VM_FAULT_BADMAP:
/* Bad memory access. Check if it is kernel or user space. */
if (user_mode(regs)) {
@ -336,7 +337,9 @@ static noinline void do_fault_error(struct pt_regs *regs, int access,
do_sigsegv(regs, si_code);
break;
}
/* fallthrough */
case VM_FAULT_BADCONTEXT:
/* fallthrough */
case VM_FAULT_PFAULT:
do_no_context(regs);
break;