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Commit 5e8d3210 authored by Barry Song's avatar Barry Song Committed by Mike Frysinger
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Blackfin: fill out the signal si_addr when sending a SIGBUS/SIGSEGV 



Some userspace applications use this member in diagnosing crashes.  It
also makes some LTP tests pass (i.e. the Blackfin arch behaves more like
everyone else).

Signed-off-by: default avatarBarry Song <barry.song@analog.com>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 0531c467

arch/blackfin/kernel/traps.c

+11 −3
Original line number Diff line number Diff line
@@ -260,9 +260,7 @@ asmlinkage notrace void trap_c(struct pt_regs *fp) 
#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON

	int j;

#endif

#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO

	unsigned int cpu = raw_smp_processor_id();

#endif

	const char *strerror = NULL;

	int sig = 0;

	siginfo_t info;
@@ -651,7 +649,17 @@ asmlinkage notrace void trap_c(struct pt_regs *fp) 
	{

		info.si_signo = sig;

		info.si_errno = 0;

		switch (trapnr) {

		case VEC_CPLB_VL:

		case VEC_MISALI_D:

		case VEC_CPLB_M:

		case VEC_CPLB_MHIT:

			info.si_addr = (void __user *)cpu_pda[cpu].dcplb_fault_addr;

			break;

		default:

			info.si_addr = (void __user *)fp->pc;

			break;

		}

		force_sig_info(sig, &info, current);

	}