Commit 98cb57ad authored by Vineet Gupta's avatar Vineet Gupta
Browse files

ARC: mm: do_page_fault refactor #6: error handlers to use same pattern 



 - up_read
 - if !user_mode
 - whatever error handling

Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent d0542c7e

arch/arc/mm/fault.c

+10 −11
Original line number Diff line number Diff line
@@ -191,22 +191,21 @@ 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)) {

	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)) {

	if (!user_mode(regs))

		goto no_context;



	pagefault_out_of_memory();

	return;

	}



	goto no_context;



do_sigbus:

	up_read(&mm->mmap_sem);