xf86-video-intel: src/sna/sna_accel.c

[Chris Wilson]

 src/sna/sna_accel.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

New commits:
commit a1ea19a3edaac6e1e5d240b75b7c5fdcfea0e0a8
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Oct 10 23:20:13 2012 +0100

    sna: Prevent sign-extension when manipulating strides
    
    Reported-by: Prit Laes <plaes at plaes.org>
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=55823
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index 3973c9d..4f204f1 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -6318,7 +6318,7 @@ sna_copy_plane_blt(DrawablePtr source, DrawablePtr drawable, GCPtr gc,
 		case 32:
 			{
 				uint32_t *src = src_pixmap->devPrivate.ptr;
-				uint32_t src_stride = src_pixmap->devKind/sizeof(uint32_t);
+				int src_stride = src_pixmap->devKind/sizeof(uint32_t);
 				uint8_t *dst = ptr;
 
 				src += (box->y1 + sy) * src_stride;
@@ -6351,7 +6351,7 @@ sna_copy_plane_blt(DrawablePtr source, DrawablePtr drawable, GCPtr gc,
 		case 16:
 			{
 				uint16_t *src = src_pixmap->devPrivate.ptr;
-				uint16_t src_stride = src_pixmap->devKind/sizeof(uint16_t);
+				int src_stride = src_pixmap->devKind/sizeof(uint16_t);
 				uint8_t *dst = ptr;
 
 				src += (box->y1 + sy) * src_stride;
@@ -6384,7 +6384,7 @@ sna_copy_plane_blt(DrawablePtr source, DrawablePtr drawable, GCPtr gc,
 		case 8:
 			{
 				uint8_t *src = src_pixmap->devPrivate.ptr;
-				uint8_t src_stride = src_pixmap->devKind/sizeof(uint8_t);
+				int src_stride = src_pixmap->devKind/sizeof(uint8_t);
 				uint8_t *dst = ptr;
 
 				src += (box->y1 + sy) * src_stride;