[PATCH 7/9] ARC: mm: do_page_fault refactor #6: error handlers to use same pattern

[Vineet Gupta]

 - up_read
 - if !user_mode
 - whatever error handling

Signed-off-by: Vineet Gupta <vgu...@synopsys.com>
---
 arch/arc/mm/fault.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
index c0a60aeb4abd..0e1a222a97ad 100644
--- a/arch/arc/mm/fault.c
+++ b/arch/arc/mm/fault.c
@@ -194,22 +194,21 @@ void do_page_fault(unsigned long address, struct pt_regs 
*regs)
 bad_area:
        up_read(&mm->mmap_sem);
 
-       /* User mode accesses just cause a SIGSEGV */
-       if (user_mode(regs)) {
-               tsk->thread.fault_address = address;
-               force_sig_fault(SIGSEGV, si_code, (void __user *)address, tsk);
-               return;
-       }
+       if (!user_mode(regs))
+               goto no_context;
+
+       tsk->thread.fault_address = address;
+       force_sig_fault(SIGSEGV, si_code, (void __user *)address, tsk);
+       return;
 
 out_of_memory:
        up_read(&mm->mmap_sem);
 
-       if (user_mode(regs)) {
-               pagefault_out_of_memory();
-               return;
-       }
+       if (!user_mode(regs))
+               goto no_context;
 
-       goto no_context;
+       pagefault_out_of_memory();
+       return;
 
 do_sigbus:
        up_read(&mm->mmap_sem);
-- 
2.7.4


_______________________________________________
linux-snps-arc mailing list
linux-snps-arc@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-snps-arc