Messages in this thread Patch in this message | | | From | Dongjiu Geng <> | Subject | [PATCH RESEND] arm64: fault: avoid send SIGBUS two times | Date | Tue, 5 Dec 2017 23:02:35 +0800 |
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If APEI handling the memory error is failed, the do_mem_abort() and do_sea() will all deliver SIGBUS. In fact, sending one time can be enough, so correct it.
Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com> --- arch/arm64/mm/fault.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index fcf2ede3..9e3f7ca 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -570,7 +570,6 @@ static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs) { struct siginfo info; const struct fault_info *inf; - int ret = 0; inf = esr_to_fault_info(esr); pr_err("Synchronous External Abort: %s (0x%08x) at 0x%016lx\n", @@ -585,7 +584,7 @@ static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs) if (interrupts_enabled(regs)) nmi_enter(); - ret = ghes_notify_sea(); + ghes_notify_sea(); if (interrupts_enabled(regs)) nmi_exit(); @@ -600,7 +599,7 @@ static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs) info.si_addr = (void __user *)addr; arm64_notify_die("", regs, &info, esr); - return ret; + return 0; } static const struct fault_info fault_info[] = { -- 2.10.1
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