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drm/vmwgfx: Fix nasty write past alloced memory area

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Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Thomas Hellstrom 2012-06-01 15:48:04 +02:00 committed by Dave Airlie
parent a8ff3ee211
commit 0824db38e5
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
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@ -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++);