/* * rt5514-spi.h -- RT5514 driver * * Copyright 2015 Realtek Semiconductor Corp. * Author: Oder Chiou * * 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. */ #ifndef __RT5514_SPI_H__ #define __RT5514_SPI_H__ /** * RT5514_SPI_BUF_LEN is the buffer size of SPI master controller. */ #define RT5514_SPI_BUF_LEN 240 #define RT5514_BUFFER_VOICE_BASE 0x18001034 #define RT5514_BUFFER_VOICE_LIMIT 0x18001038 #define RT5514_BUFFER_VOICE_RP 0x1800103c #define RT5514_BUFFER_VOICE_SIZE 0x18001040 /* SPI Command */ enum { RT5514_SPI_CMD_16_READ = 0, RT5514_SPI_CMD_16_WRITE, RT5514_SPI_CMD_32_READ, RT5514_SPI_CMD_32_WRITE, RT5514_SPI_CMD_BURST_READ, RT5514_SPI_CMD_BURST_WRITE, }; int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len); int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len); #endif /* __RT5514_SPI_H__ */ ;'> net-next plumbingsTobias Klauser
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authorSriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>2017-01-09 16:00:44 +0530
committerJ. Bruce Fields <bfields@redhat.com>2017-01-12 16:14:47 -0500
commitce1ca7d2d140a1f4aaffd297ac487f246963dd2f (patch)
tree5aeab5e0cb6ef404c894a18251588278b9432a2c /tools
parent546125d1614264d26080817d0c8cddb9b25081fa (diff)
svcrdma: avoid duplicate dma unmapping during error recovery
In rdma_read_chunk_frmr() when ib_post_send() fails, the error code path invokes ib_dma_unmap_sg() to unmap the sg list. It then invokes svc_rdma_put_frmr() which in turn tries to unmap the same sg list through ib_dma_unmap_sg() again. This second unmap is invalid and could lead to problems when the iova being unmapped is subsequently reused. Remove the call to unmap in rdma_read_chunk_frmr() and let svc_rdma_put_frmr() handle it. Fixes: 412a15c0fe53 ("svcrdma: Port to new memory registration API") Cc: stable@vger.kernel.org Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'tools')