dmaengine: idxd: check device state before issue command
stable inclusion from stable-5.10.17 commit 40e3b5c128645d2ddad12310c7be98758cafb2b0 bugzilla: 48169 -------------------------------- [ Upstream commit 89e3becd ] Add device state check before executing command. Without the check the command can be issued while device is in halt state and causes the driver to block while waiting for the completion of the command. Reported-by:Sanjay Kumar <sanjay.k.kumar@intel.com> Signed-off-by:
Dave Jiang <dave.jiang@intel.com> Tested-by:
Sanjay Kumar <sanjay.k.kumar@intel.com> Fixes: 0d5c10b4 ("dmaengine: idxd: add work queue drain support") Link: https://lore.kernel.org/r/161219313921.2976211.12222625226450097465.stgit@djiang5-desk3.ch.intel.com Signed-off-by:
Vinod Koul <vkoul@kernel.org> Signed-off-by:
Sasha Levin <sashal@kernel.org> Signed-off-by:
Zheng Zengkai <zhengzengkai@huawei.com> Acked-by:
Xie XiuQi <xiexiuqi@huawei.com>
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