Patch "drm/ttm: Fix 'buf' pointer update in ttm_bo_vm_access_kmap() (v2)" has been added to the 4.14-stable tree

This is a note to let you know that I've just added the patch titled

drm/ttm: Fix 'buf' pointer update in ttm_bo_vm_access_kmap() (v2)

to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
drm-ttm-fix-buf-pointer-update-in-ttm_bo_vm_access_kmap-v2.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Tom St Denis <[email protected]>
Date: Fri, 26 Jan 2018 09:32:29 -0500
Subject: drm/ttm: Fix 'buf' pointer update in ttm_bo_vm_access_kmap() (v2)
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From: Tom St Denis <[email protected]>

commit 95244db2d3f743f37e69446a2807dd1a42750542 upstream.

The buf pointer was not being incremented inside the loop meaning the same block of data would be read or written repeatedly.
(v2) Change 'buf' pointer to uint8_t* type

---
 drivers/gpu/drm/ttm/ttm_bo_vm.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

@@ -299,7 +299,7 @@ static void ttm_bo_vm_close(struct vm_ar
 
 static int ttm_bo_vm_access_kmap(struct ttm_buffer_object *bo,
 				 unsigned long offset,
-				 void *buf, int len, int write)
+				 uint8_t *buf, int len, int write)
 {
 	unsigned long page = offset >> PAGE_SHIFT;
 	unsigned long bytes_left = len;

@@ -328,6 +328,7 @@ static int ttm_bo_vm_access_kmap(struct
 		ttm_bo_kunmap(&map);
 
 		page++;
+		buf += bytes;
 		bytes_left -= bytes;
 		offset = 0;
 	} while (bytes_left);

Patches currently in stable-queue which might be from [email protected] are

queue-4.14/drm-ttm-fix-buf-pointer-update-in-ttm_bo_vm_access_kmap-v2.patch