[ 50/82] drm/vmwgfx: Fix nasty write past alloced memory area

Ben Hutchings
2012-06-08T05:25:38Z

From: Thomas Hellstrom <thellstrom@vmware.com>

commit 0824db38e515644f8d1bfd64adbd7cb2c6ea7c62 upstream.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
index 51c9ba5..21ee782 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
@@ -66,7 +66,7 @@ static int vmw_gmr2_bind(struct vmw_private *dev_priv,
cmd += sizeof(remap_cmd) / sizeof(uint32);

for (i = 0; i < num_pages; ++i) {
- if (VMW_PPN_SIZE > 4)
+ if (VMW_PPN_SIZE <= 4)
*cmd = page_to_pfn(*pages++);
else
*((uint64_t *)cmd) = page_to_pfn(*pages++);