drm/i915: Fix build failure

ERROR: "__build_bug_on_failed" [drivers/gpu/drm/i915/i915.ko] undefined!

Originally reported at http://www.gossamer-threads.com/lists/linux/kernel/1631803
FDO bug #62775

This needs to be backported to both 3.7 and 3.8 stable trees. Doesn't apply straight,
but it's a quick change.

Signed-off-by: Lauri Kasanen <cand@gmx.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=62775
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 3b11ab0fbc960ab1ff58fd842a2d51ff10ca15db..9a48e1a2d417ce7d294af15dd393ea93ec419cbb 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -57,7 +57,7 @@ eb_create(struct drm_i915_gem_execbuffer2 *args)
        if (eb == NULL) {
                int size = args->buffer_count;
                int count = PAGE_SIZE / sizeof(struct hlist_head) / 2;
-               BUILD_BUG_ON(!is_power_of_2(PAGE_SIZE / sizeof(struct hlist_head)));
+               BUILD_BUG_ON_NOT_POWER_OF_2(PAGE_SIZE / sizeof(struct hlist_head));
                while (count > 2*size)
                        count >>= 1;
                eb = kzalloc(count*sizeof(struct hlist_head) +