From: wli5 <weigang.li@intel.com>
Date: Mon, 5 Feb 2018 18:26:27 +0000 (+0800)
Subject: Bug fix in qat_compress.c for vmalloc addr check
X-Git-Tag: zfs-0.7.7~39
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5f38142e7b3a8994afef60faa2e65d72e7993807;p=zfs

Bug fix in qat_compress.c for vmalloc addr check

Remove the unused vmalloc address check, and function mem_to_page
will handle the non-vmalloc address when map it to a physical
address.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Weigang Li <weigang.li@intel.com>
Closes #7125
---

diff --git a/module/zfs/qat_compress.c b/module/zfs/qat_compress.c
index 4d17d7ac9..62655f56d 100644
--- a/module/zfs/qat_compress.c
+++ b/module/zfs/qat_compress.c
@@ -364,10 +364,6 @@ qat_compress(qat_compress_dir_t dir, char *src, int src_len,
 	Cpa32U dst_buffer_list_mem_size = sizeof (CpaBufferList) +
 	    (num_dst_buf * sizeof (CpaFlatBuffer));
 
-	if (!is_vmalloc_addr(src) || !is_vmalloc_addr(src + src_len - 1) ||
-	    !is_vmalloc_addr(dst) || !is_vmalloc_addr(dst + dst_len - 1))
-		return (-1);
-
 	if (PHYS_CONTIG_ALLOC(&in_pages,
 	    num_src_buf * sizeof (struct page *)) != CPA_STATUS_SUCCESS)
 		goto fail;