In this case, the original author did not provide the related reason string for die_if_kernel(), so the 'buf' is not initialized. The original author wants to generic a 'SIGSEGV' and 'return', not want to 'break' to fall to die. Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx> --- arch/ia64/kernel/traps.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c index f7f9f9c..d3636e6 100644 --- a/arch/ia64/kernel/traps.c +++ b/arch/ia64/kernel/traps.c @@ -630,7 +630,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa, printk(KERN_ERR " iip - 0x%lx, ifa - 0x%lx, isr - 0x%lx\n", iip, ifa, isr); force_sig(SIGSEGV, current); - break; + return; case 46: printk(KERN_ERR "Unexpected IA-32 intercept trap (Trap 46)\n"); -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html