@@ -424,6 +424,7 @@ static bool is_el0_instruction_abort(unsigned int esr)
static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
struct pt_regs *regs)
{
+ const struct fault_info *inf;
struct task_struct *tsk;
struct mm_struct *mm;
struct siginfo si;
@@ -562,6 +563,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
return 0;
}
+ inf = esr_to_fault_info(esr);
if (fault & VM_FAULT_SIGBUS) {
/*
* We had some memory, but were unable to successfully fix up
@@ -572,7 +574,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
si.si_code = BUS_ADRERR;
si.si_addr = (void __user *)addr;
set_thread_esr(addr, esr);
- arm64_force_sig_info(&si, esr_to_fault_info(esr)->name);
+ arm64_force_sig_info(&si, inf->name);
} else if (fault & (VM_FAULT_HWPOISON_LARGE | VM_FAULT_HWPOISON)) {
unsigned int lsb;
@@ -586,7 +588,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
si.si_addr = (void __user *)addr;
si.si_addr_lsb = lsb;
set_thread_esr(addr, esr);
- arm64_force_sig_info(&si, esr_to_fault_info(esr)->name);
+ arm64_force_sig_info(&si, inf->name);
} else {
/*
* Something tried to access memory that isn't in our memory
@@ -598,7 +600,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
SEGV_ACCERR : SEGV_MAPERR;
si.si_addr = (void __user *)addr;
set_thread_esr(addr, esr);
- arm64_force_sig_info(&si, esr_to_fault_info(esr)->name);
+ arm64_force_sig_info(&si, inf->name);
}
return 0;
As this work is truly common between all of the signal sending cases there is no need to repeat it between the different cases. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> --- arch/arm64/mm/fault.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)