diff options
author | Mark Brown <[email protected]> | 2023-07-17 06:12:31 +0100 |
---|---|---|
committer | Mark Brown <[email protected]> | 2023-07-17 06:12:31 +0100 |
commit | 0791faebfe750292a8a842b64795a390ca4a3b51 (patch) | |
tree | 0e6095a5a0130398b0693bddfdc421c41eebda7c /arch/loongarch/mm/fault.c | |
parent | e8bf1741c14eb8e4a4e1364d45aeeab66660ab9b (diff) | |
parent | fdf0eaf11452d72945af31804e2a1048ee1b574c (diff) |
ASoC: Merge v6.5-rc2
Get a similar baseline to my other branches, and fixes for people using
the branch.
Diffstat (limited to 'arch/loongarch/mm/fault.c')
-rw-r--r-- | arch/loongarch/mm/fault.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/loongarch/mm/fault.c b/arch/loongarch/mm/fault.c index 449087bd589d..da5b6d518cdb 100644 --- a/arch/loongarch/mm/fault.c +++ b/arch/loongarch/mm/fault.c @@ -169,22 +169,18 @@ static void __kprobes __do_page_fault(struct pt_regs *regs, perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); retry: - mmap_read_lock(mm); - vma = find_vma(mm, address); - if (!vma) - goto bad_area; - if (vma->vm_start <= address) - goto good_area; - if (!(vma->vm_flags & VM_GROWSDOWN)) - goto bad_area; - if (!expand_stack(vma, address)) - goto good_area; + vma = lock_mm_and_find_vma(mm, address, regs); + if (unlikely(!vma)) + goto bad_area_nosemaphore; + goto good_area; + /* * Something tried to access memory that isn't in our memory map.. * Fix it, but check if it's kernel or user first.. */ bad_area: mmap_read_unlock(mm); +bad_area_nosemaphore: do_sigsegv(regs, write, address, si_code); return; |