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authorEric W. Biederman <ebiederm@xmission.com>2017-08-01 13:41:34 -0500
committerEric W. Biederman <ebiederm@xmission.com>2018-09-27 21:59:35 +0200
commit15773ae938d8d93d982461990bebad6e1d7a1830 (patch)
tree5fbe9158660b08d15773179cbd12de9eb0af7095 /arch/arc
parent4445229445273da16cc3a4928e3ba327b0301e7f (diff)
downloadlinux-15773ae938d8d93d982461990bebad6e1d7a1830.tar.gz
signal/arc: Use force_sig_fault where appropriate
Acked-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/mm/fault.c20
1 files changed, 5 insertions, 15 deletions
diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
index db6913094be3..c9da6102eb4f 100644
--- a/arch/arc/mm/fault.c
+++ b/arch/arc/mm/fault.c
@@ -66,14 +66,12 @@ void do_page_fault(unsigned long address, struct pt_regs *regs)
struct vm_area_struct *vma = NULL;
struct task_struct *tsk = current;
struct mm_struct *mm = tsk->mm;
- siginfo_t info;
+ int si_code;
int ret;
vm_fault_t fault;
int write = regs->ecr_cause & ECR_C_PROTV_STORE; /* ST/EX */
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
- clear_siginfo(&info);
-
/*
* We fault-in kernel-space virtual memory on-demand. The
* 'reference' page table is init_mm.pgd.
@@ -91,7 +89,7 @@ void do_page_fault(unsigned long address, struct pt_regs *regs)
return;
}
- info.si_code = SEGV_MAPERR;
+ si_code = SEGV_MAPERR;
/*
* If we're in an interrupt or have no user
@@ -119,7 +117,7 @@ retry:
* we can handle it..
*/
good_area:
- info.si_code = SEGV_ACCERR;
+ si_code = SEGV_ACCERR;
/* Handle protection violation, execute on heap or stack */
@@ -199,11 +197,7 @@ bad_area_nosemaphore:
/* User mode accesses just cause a SIGSEGV */
if (user_mode(regs)) {
tsk->thread.fault_address = address;
- info.si_signo = SIGSEGV;
- info.si_errno = 0;
- /* info.si_code has been set above */
- info.si_addr = (void __user *)address;
- force_sig_info(SIGSEGV, &info, tsk);
+ force_sig_fault(SIGSEGV, si_code, (void __user *)address, tsk);
return;
}
@@ -238,9 +232,5 @@ do_sigbus:
goto no_context;
tsk->thread.fault_address = address;
- info.si_signo = SIGBUS;
- info.si_errno = 0;
- info.si_code = BUS_ADRERR;
- info.si_addr = (void __user *)address;
- force_sig_info(SIGBUS, &info, tsk);
+ force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, tsk);
}