crypto: ccp - Release dma channels before dmaengine unrgister
stable inclusion from stable-v5.10.150 commit d33935e666043f560abdd040a84f03d6d3868c89 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I6D0XA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d33935e666043f560abdd040a84f03d6d3868c89 -------------------------------- [ Upstream commit 68dbe80f ] A warning is shown during shutdown, __dma_async_device_channel_unregister called while 2 clients hold a reference WARNING: CPU: 15 PID: 1 at drivers/dma/dmaengine.c:1110 __dma_async_device_channel_unregister+0xb7/0xc0 Call dma_release_channel for occupied channles before dma_async_device_unregister. Fixes: 54cce8ec ("crypto: ccp - ccp_dmaengine_unregister release dma channels") Reported-by:kernel test robot <lkp@intel.com> Signed-off-by:
Koba Ko <koba.ko@canonical.com> Acked-by:
Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
Sasha Levin <sashal@kernel.org> Signed-off-by:
Jialin Zhang <zhangjialin11@huawei.com>
Loading
Please sign in to comment