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dmaengine: coh901318: Fix a double lock bug in dma_tc_handle()
authorDan Carpenter <dan.carpenter@oracle.com>
Mon, 17 Feb 2020 14:40:50 +0000 (17:40 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 11 Mar 2020 06:51:19 +0000 (07:51 +0100)
commit92627da9f73a25ef04ba4b4e95413ea943f1109b
treea5549eff79dab48b7262bac7db677bed0dce7f48tree | snapshot
parent04258bdb60e8c3d60d5fc080c9f0c744810a647ccommit | diff
dmaengine: coh901318: Fix a double lock bug in dma_tc_handle()

commit 36d5d22090d13fd3a7a8c9663a711cbe6970aac8 upstream.

The caller is already holding the lock so this will deadlock.

Fixes: 0b58828c923e ("DMAENGINE: COH 901 318 remove irq counting")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200217144050.3i4ymbytogod4ijn@kili.mountain
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/dma/coh901318.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git