[PATCH] drm/mm: Fix support 4 GiB and larger ranges

bad argument if(tmp)... in check_free_hole fix oops: kernel BUG at drivers/gpu/drm/drm_mm.c:305! [airlied: excellent, this was my task for today]. Signed-off-by: Krzysztof Kolasa <[email protected]> Reviewed-by: Chris wilson <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
thomasl · Mar 15, 2015 · 046d669 · 046d669
1 parent 6981e2a
commit 046d669
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
@@ -403,7 +403,7 @@ static int check_free_hole(u64 start, u64 end, u64 size, unsigned alignment)
 		unsigned rem;
 
 		rem = do_div(tmp, alignment);
-		if (tmp)
+		if (rem)
 			start += alignment - rem;
 	}