ARM: 9351/1: fault: Add "cut here" line for prefetch aborts

commit 8f09b8b4fa58e99cbfd9a650b31d65cdbd8e4276 upstream.

The common pattern in arm is to emit a "8<--- cut here ---" line for
faults, but it was missing for do_PrefetchAbort(). Add it.

Cc: Wang Kefeng <wangkefeng.wang@huawei.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 8a88cf462525cd2f8203992a1a0fa0775d8e1d19..33f03fb8d038b222474adabf91ba20d8030b3619 100644 (file)
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -563,6 +563,7 @@ do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs)
        if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs))
                return;
 
+       pr_alert("8<--- cut here ---\n");
        pr_alert("Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n",
                inf->name, ifsr, addr);