Commit ae626f68 authored by Heiko Carstens's avatar Heiko Carstens Committed by Vasily Gorbik
Browse files

s390/mm,fault: replace WARN_ON_ONCE() with unreachable() 



do_secure_storage_access() contains a switch statements which handles
all possible return values from get_fault_type(). Therefore remove the
pointless default case error handling and replace it with unreachable().

Reviewed-by: default avatarJanosch Frank <frankja@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 5c845de3

arch/s390/mm/fault.c

+1 −2
Original line number Diff line number Diff line
@@ -618,8 +618,7 @@ void do_secure_storage_access(struct pt_regs *regs) 
			BUG();

		break;

	default:

		do_fault_error(regs, VM_FAULT_BADMAP);

		WARN_ON_ONCE(1);

		unreachable();

	}

}

NOKPROBE_SYMBOL(do_secure_storage_access);