From: David Howells Date: Mon, 14 Apr 2008 10:20:59 +0000 (+0100) Subject: FRV: Correctly determine the address of an illegal instruction X-Git-Tag: v3.12-rc1~22071 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4f3f8e94b7b079131f0faf641e8afd790a6537d1;p=kernel%2Fkernel-generic.git FRV: Correctly determine the address of an illegal instruction Correctly determine the address of an illegal instruction. The EPCR0 register holds this value (masked by EPCR0_PC) if the validity bit is set (masked by EPCR0_V). So the test as to whether the contents of the register are usable should be involve checking the _V bit, not the _PC bits. Signed-off-by: David Howells Signed-off-by: Linus Torvalds --- diff --git a/arch/frv/kernel/traps.c b/arch/frv/kernel/traps.c index 2f7e668..7089c24 100644 --- a/arch/frv/kernel/traps.c +++ b/arch/frv/kernel/traps.c @@ -73,7 +73,7 @@ asmlinkage void illegal_instruction(unsigned long esfr1, unsigned long epcr0, un epcr0, esr0, esfr1); info.si_errno = 0; - info.si_addr = (void *) ((epcr0 & EPCR0_PC) ? (epcr0 & EPCR0_PC) : __frame->pc); + info.si_addr = (void *) ((epcr0 & EPCR0_V) ? (epcr0 & EPCR0_PC) : __frame->pc); switch (__frame->tbr & TBR_TT) { case TBR_TT_ILLEGAL_INSTR: