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author | Tudor Ambarus <[email protected]> | 2022-10-25 12:02:42 +0300 |
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committer | Vinod Koul <[email protected]> | 2022-11-08 10:43:57 +0530 |
commit | 06988949df8c3007ad82036d3606d8ae72ed9000 (patch) | |
tree | c3c901807d30b0e9398b33f5f6f1679be6e82337 /drivers/usb/cdns3/cdns3-debug.h | |
parent | c6babed879fbe82796a601bf097649e07382db46 (diff) |
dmaengine: at_hdmac: Fix concurrency over descriptor
The descriptor was added to the free_list before calling the callback,
which could result in reissuing of the same descriptor and calling of a
single callback for both. Move the decriptor to the free list after the
callback is invoked.
Fixes: dc78baa2b90b ("dmaengine: at_hdmac: new driver for the Atmel AHB DMA Controller")
Reported-by: Peter Rosin <[email protected]>
Signed-off-by: Tudor Ambarus <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/lkml/[email protected]/
Acked-by: Nicolas Ferre <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
Diffstat (limited to 'drivers/usb/cdns3/cdns3-debug.h')
0 files changed, 0 insertions, 0 deletions