/* * edma-pcm.h - eDMA PCM driver using dmaengine for AM3xxx, AM4xxx * * Copyright (C) 2014 Texas Instruments, Inc. * * Author: Peter Ujfalusi * * Based on: sound/soc/tegra/tegra_pcm.h * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ #ifndef __EDMA_PCM_H__ #define __EDMA_PCM_H__ #if IS_ENABLED(CONFIG_SND_EDMA_SOC) int edma_pcm_platform_register(struct device *dev); #else static inline int edma_pcm_platform_register(struct device *dev) { return 0; } #endif /* CONFIG_SND_EDMA_SOC */ #endif /* __EDMA_PCM_H__ */ ame='id' value='dfef358bd1beb4e7b5c94eca944be9cd23dfc752'/> net-next plumbingsTobias Klauser
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authorChristoph Hellwig <hch@lst.de>2017-01-30 13:15:41 +0100
committerBjorn Helgaas <bhelgaas@google.com>2017-02-02 10:35:46 -0600
commitdfef358bd1beb4e7b5c94eca944be9cd23dfc752 (patch)
treeb9a2afb38a4c2ac8ad31f49ec0d71fe9e5b1994c /sound/soc/codecs/cs4271-spi.c
parent030305d69fc6963c16003f50d7e8d74b02d0a143 (diff)
PCI/MSI: Don't apply affinity if there aren't enough vectors left
Bart reported a problem wіth an out of bounds access in the low-level IRQ affinity code, which we root caused to the qla2xxx driver assigning all its MSI-X vectors to the pre and post vectors, and not having any left for the actually spread IRQs. Fix this issue by not asking for affinity assignment when there are no vectors to assign left. Fixes: 402723ad5c62 ("PCI/MSI: Provide pci_alloc_irq_vectors_affinity()") Link: https://lkml.kernel.org/r/1485359225.3093.3.camel@sandisk.com Reported-by: Bart Van Assche <bart.vanassche@sandisk.com> Tested-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'sound/soc/codecs/cs4271-spi.c')