zfs-patches/0016-Bug-fix-in-qat_compress.c-for-vmalloc-addr-check.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: wli5 <weigang.li@intel.com>
   3 Date: Tue, 6 Feb 2018 02:26:27 +0800
   4 Subject: [PATCH] Bug fix in qat_compress.c for vmalloc addr check
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 Remove the unused vmalloc address check, and function mem_to_page
  10 will handle the non-vmalloc address when map it to a physical
  11 address.
  12
  13 Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
  14 Signed-off-by: Weigang Li <weigang.li@intel.com>
  15 Closes #7125
  16 (cherry picked from commit 5f38142e7b3a8994afef60faa2e65d72e7993807)
  17 Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
  18 ---
  19  module/zfs/qat_compress.c | 4 ----
  20  1 file changed, 4 deletions(-)
  21
  22 diff --git a/module/zfs/qat_compress.c b/module/zfs/qat_compress.c
  23 index 4d17d7ac9..62655f56d 100644
  24 --- a/module/zfs/qat_compress.c
  25 +++ b/module/zfs/qat_compress.c
  26 @@ -364,10 +364,6 @@ qat_compress(qat_compress_dir_t dir, char *src, int src_len,
  27         Cpa32U dst_buffer_list_mem_size = sizeof (CpaBufferList) +
  28             (num_dst_buf * sizeof (CpaFlatBuffer));
  29
  30 -       if (!is_vmalloc_addr(src) || !is_vmalloc_addr(src + src_len - 1) ||
  31 -           !is_vmalloc_addr(dst) || !is_vmalloc_addr(dst + dst_len - 1))
  32 -               return (-1);
  33 -
  34         if (PHYS_CONTIG_ALLOC(&in_pages,
  35             num_src_buf * sizeof (struct page *)) != CPA_STATUS_SUCCESS)
  36                 goto fail;
  37 --
  38 2.14.2
  39