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fix rga timeout mmu buf free bug

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This commit is contained in:
zsq
2015-03-19 16:22:23 +08:00
parent 13549edf67
commit 5c8e73ea9b
1 changed files with 6 additions and 3 deletions
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9
drivers/video/rockchip/rga/rga_drv.c
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@@ -731,10 +731,13 @@ static void rga_del_running_list_timeout(void)
while(!list_empty(&rga_service.running))
{
reg = list_entry(rga_service.running.next, struct rga_reg, status_link);
if(reg->MMU_base != NULL)
if(reg->MMU_len != 0)
{
kfree(reg->MMU_base);
if (rga_mmu_buf.back + reg->MMU_len > 2*rga_mmu_buf.size)
rga_mmu_buf.back = reg->MMU_len + rga_mmu_buf.size;
else
rga_mmu_buf.back += reg->MMU_len;
}
atomic_sub(1, &reg->session->task_running);