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Lior Amsalem 42f77f15b1 dmaengine: mv_xor: bug fix for racing condition in descriptors cleanup 
commit 9136291f1d upstream.

This patch fixes a bug in the XOR driver where the cleanup function can be
called and free descriptors that never been processed by the engine (which
result in data errors).

The cleanup function will free descriptors based on the ownership bit in
the descriptors.

Fixes: ff7b04796d ("dmaengine: DMA engine driver for Marvell XOR engine")
Signed-off-by: Lior Amsalem <alior@marvell.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-03 09:29:46 -07:00
..
bestcomm Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-02-23 17:09:55 -08:00
ioat ioat: fix tasklet tear down 2014-03-06 21:30:14 -08:00
ipu dma: ipu: ipu_idmac: Fix section mismatch 2013-04-15 09:51:18 +05:30
ppc4xx Drivers: dma: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
sh sudmac: add support for SUDMAC 2013-04-30 15:50:12 +05:30
acpi-dma.c dma: acpi-dma: parse CSRT to extract additional resources 2013-05-14 10:23:57 +05:30
amba-pl08x.c pl080.h: moved from arm/include/asm/hardware to include/linux/amba/ 2013-01-13 05:19:45 -08:00
at_hdmac.c Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2013-05-09 09:46:45 -07:00
at_hdmac_regs.h at_hdmac: move to generic DMA binding 2013-04-30 14:17:41 +05:30
coh901318.c dma: Remove erroneous __exit and __exit_p() references 2013-04-15 09:51:16 +05:30
coh901318.h dma: coh901318: merge header files 2013-01-07 17:36:37 +01:00
coh901318_lli.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-02-26 09:24:48 -08:00
dmaengine.c Merge branch 'topic/of' into for-linus 2013-05-02 21:52:26 +05:30
dmaengine.h dmaengine: consolidate initialization of cookies 2012-03-13 11:37:22 +05:30
dmatest.c dmatest: do not allow to interrupt ongoing tests 2013-06-08 02:13:44 +05:30
dw_dmac.c dw_dmac: add ACPI support 2013-04-15 22:04:19 +05:30
dw_dmac_regs.h dw_dmac: add ACPI support 2013-04-15 22:04:19 +05:30
edma.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-02-26 09:24:48 -08:00
ep93xx_dma.c dma: ep93xx_dma: reuse is_slave_direction helper 2013-01-12 05:07:22 -08:00
fsldma.c dma: remove use of __devinit 2012-11-28 12:42:36 -08:00
fsldma.h dmaengine: move last completed cookie into generic dma_chan structure 2012-03-13 11:36:06 +05:30
imx-dma.c dmaengine: imx-dma: fix slow path issue in prep_dma_cyclic 2013-10-13 16:08:34 -07:00
imx-sdma.c dma: Remove erroneous __exit and __exit_p() references 2013-04-15 09:51:16 +05:30
intel_mid_dma.c Drivers: dma: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
intel_mid_dma_regs.h dma: fix comments 2012-09-01 08:57:12 -07:00
iop-adma.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-02-26 09:24:48 -08:00
iovlock.c
Kconfig net_dma: mark broken 2014-01-09 12:24:21 -08:00
Makefile dma: sh: add Kconfig 2013-04-30 15:50:12 +05:30
mmp_pdma.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-02-26 09:24:48 -08:00
mmp_tdma.c dma: Convert to devm_ioremap_resource() 2013-01-25 12:21:46 -08:00
mpc512x_dma.c Drivers: dma: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
mv_xor.c dmaengine: mv_xor: bug fix for racing condition in descriptors cleanup 2015-08-03 09:29:46 -07:00
mv_xor.h dmaengine: mv_xor: bug fix for racing condition in descriptors cleanup 2015-08-03 09:29:46 -07:00
mxs-dma.c dma: mxs-dma: move to generic device tree binding 2013-04-04 21:22:43 +08:00
of-dma.c dma:of: Use a mutex to protect the of_dma_list 2013-05-02 21:50:38 +05:30
omap-dma.c dmaengine: omap-dma: Fix memory leak when terminating running transfer 2015-04-19 10:10:49 +02:00
pch_dma.c pch_dma: Use GFP_ATOMIC because called from interrupt context 2013-04-15 09:51:16 +05:30
pl330.c dma: pl330: Fix cyclic transfers 2013-08-11 18:35:21 -07:00
sa11x0-dma.c Drivers: dma: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
sirf-dma.c dmaengine: sirf: move driver init from module_init to subsys_initcall 2013-05-02 20:48:23 +05:30
ste_dma40.c dma: ste_dma40: don't dereference free:d descriptor 2014-03-06 21:30:13 -08:00
ste_dma40_ll.c dmaengine: ste_dma40: minor cosmetic fixes 2013-01-14 10:51:01 +01:00
ste_dma40_ll.h dmaengine: ste_dma40: support more than 128 event lines 2013-01-14 10:50:48 +01:00
tegra20-apb-dma.c drivers/dma: don't check resource with devm_ioremap_resource 2013-05-18 11:54:55 +02:00
timb_dma.c dma: timb_dma: Fix compiler warning 2013-04-15 09:51:16 +05:30
TODO dmaengine: remove ste_dma40 from issue_pending TODO 2011-07-14 04:02:08 +05:30
txx9dmac.c dma: Remove erroneous __exit and __exit_p() references 2013-04-15 09:51:16 +05:30
txx9dmac.h dmaengine: move last completed cookie into generic dma_chan structure 2012-03-13 11:36:06 +05:30
virt-dma.c dmaengine: virt-dma: add support for cyclic DMA periodic callbacks 2012-07-01 14:15:23 +01:00
virt-dma.h dmaengine: virt-dma: add support for cyclic DMA periodic callbacks 2012-07-01 14:15:23 +01:00