drm/amdkfd: Fix the memory overrun

commit 4cc16d6 upstream.

Fix the memory overrun issue caused by wrong array size.

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1527133 ("Memory - corruptions")
Fixes: c0cc999 ("drm/amdkfd: Fix the warning of array-index-out-of-bounds")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/gpu/drm/amd/amdkfd/kfd_crat.c

@@ -1111,7 +1111,7 @@ static int kfd_parse_subtype_cache(struct crat_subtype_cache *cache,
 			props->cache_latency = cache->cache_latency;
 
 			memcpy(props->sibling_map, cache->sibling_map,
-					sizeof(props->sibling_map));
+					CRAT_SIBLINGMAP_SIZE);
 
 			/* set the sibling_map_size as 32 for CRAT from ACPI */
 			props->sibling_map_size = CRAT_SIBLINGMAP_SIZE;