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(parent: 8a051ea) | patch
USB: serial: iuu_phoenix: fix DMA from stack
authorJohan Hovold <johan@kernel.org>
Mon, 4 Jan 2021 14:50:07 +0000 (15:50 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 12 Jan 2021 19:16:19 +0000 (20:16 +0100)
commitac48b1dacb077a1b2efa5969f82b936a9d565b18
tree42015e84a52195d0091c6607e7123410cf1c47aetree
parent8a051eaae70801b56326dcccc550df4aefbc9f17commit | diff
USB: serial: iuu_phoenix: fix DMA from stack

commit 54d0a3ab80f49f19ee916def62fe067596833403 upstream.

Stack-allocated buffers cannot be used for DMA (on all architectures) so
allocate the flush command buffer using kmalloc().

Fixes: 60a8fc017103 ("USB: add iuu_phoenix driver")
Cc: stable <stable@vger.kernel.org> # 2.6.25
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/iuu_phoenix.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git