dmaengine: idxd: fix calling wq quiesce inside spinlock

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Dan reports that smatch has found idxd_wq_quiesce() is being called inside
the idxd->dev_lock. idxd_wq_quiesce() calls wait_for_completion() and
therefore it can sleep. Move the call outside of the spinlock as it does
not need device lock.

Fixes: 5b0c68c473 ("dmaengine: idxd: support reporting of halt interrupt")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/163716858508.1721911.15051495873516709923.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Dave Jiang 2021-11-17 10:03:51 -07:00 • committed by Vinod Koul

parent 1ffc6f359f

commit fa51b16d05

1 changed files with 1 additions and 1 deletions

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drivers/dma/idxd/irq.c

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