From: 陈恒明 <chm@rock-chips.com>
Date: Tue, 14 Dec 2010 02:34:56 +0000 (-0800)
Subject: remove vpu_mem warning
X-Git-Tag: firefly_0821_release~10943
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=458a5b61b279cbbfe5fdab1c5647ceb5c188e880;p=firefly-linux-kernel-4.4.55.git

remove vpu_mem warning
---

diff --git a/arch/arm/mach-rk29/vpu_mem.c b/arch/arm/mach-rk29/vpu_mem.c
index ce80f5bcf343..a15e2bab24e8 100644
--- a/arch/arm/mach-rk29/vpu_mem.c
+++ b/arch/arm/mach-rk29/vpu_mem.c
@@ -303,8 +303,10 @@ static int region_split(struct list_head *region_list, struct vpu_mem_region_nod
         DLOG("start region_set index %d pfn %u\n", index, pfn);
         region_set(index,       pfn);
 
-        DLOG("start region_set index %d pfn %u\n", index + pfn, pfn_free - pfn);
-        region_set(index + pfn, pfn_free - pfn);
+        if (pfn_free - pfn) {
+            DLOG("start region_set index %d pfn %u\n", index + pfn, pfn_free - pfn);
+            region_set(index + pfn, pfn_free - pfn);
+        }
 
         region_set_avail(index, VPU_MEM_AVAIL(index) + 1);
         region_set_ref_count(index, VPU_MEM_REFC(index) + 1);