[PATCH 14/17] drivers/scsi: Use memcpy_to_page()

[ira . weiny]

From: Ira Weiny <ira.we...@intel.com>

Remove kmap/mem*()/kunmap pattern and use memcpy_to_page()

Cc: Brian King <brk...@us.ibm.com>
Signed-off-by: Ira Weiny <ira.we...@intel.com>
---
 drivers/scsi/ipr.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index b0aa58d117cc..3cdd8db24270 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -3912,7 +3912,6 @@ static int ipr_copy_ucode_buffer(struct ipr_sglist 
*sglist,
 {
        int bsize_elem, i, result = 0;
        struct scatterlist *sg;
-       void *kaddr;
 
        /* Determine the actual number of bytes per element */
        bsize_elem = PAGE_SIZE * (1 << sglist->order);
@@ -3923,10 +3922,7 @@ static int ipr_copy_ucode_buffer(struct ipr_sglist 
*sglist,
                        buffer += bsize_elem) {
                struct page *page = sg_page(sg);
 
-               kaddr = kmap(page);
-               memcpy(kaddr, buffer, bsize_elem);
-               kunmap(page);
-
+               memcpy_to_page(page, 0, buffer, bsize_elem);
                sg->length = bsize_elem;
 
                if (result != 0) {
@@ -3938,10 +3934,7 @@ static int ipr_copy_ucode_buffer(struct ipr_sglist 
*sglist,
        if (len % bsize_elem) {
                struct page *page = sg_page(sg);
 
-               kaddr = kmap(page);
-               memcpy(kaddr, buffer, len % bsize_elem);
-               kunmap(page);
-
+               memcpy_to_page(page, 0, buffer, len % bsize_elem);
                sg->length = len % bsize_elem;
        }
 
-- 
2.28.0.rc0.12.gb6a658bd00c9