dmaengine: idxd: sysfs input of wq incorrect wq type should return error
Currently when inputing an unrecognized wq type, we set the wq type to "none". It really should return error and not change the existing wq type that's in the kernel. Fixes: c52ca478 ("dmaengine: idxd: add configuration component of driver") Reported-by: Yixin Zhang <yixin.zhang@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/158213304803.2290.13336343633425868211.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
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