diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2019-05-14 15:10:45 -0700 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2019-07-01 11:02:22 -0700 |
| commit | 98cb57ad70fb7c8a9c030d3e83fe66b546906e28 (patch) | |
| tree | 0b287fc5aab7ea2f313379852b53cdd59971528b /arch/arc/mm | |
| parent | d0542c7eacd5b507fa53570b610706df122a2f37 (diff) | |
ARC: mm: do_page_fault refactor #6: error handlers to use same pattern
- up_read
- if !user_mode
- whatever error handling
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/mm')
| -rw-r--r-- | arch/arc/mm/fault.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c index b107e45cce94..2672ce24d741 100644 --- a/arch/arc/mm/fault.c +++ b/arch/arc/mm/fault.c @@ -191,22 +191,21 @@ retry: 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); |