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ums_realtek: do not use stack memory for DMA
authorAdam Cozzette <acozzette@cs.hmc.edu>
Wed, 24 Aug 2011 18:22:37 +0000 (12:22 -0600)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 24 Aug 2011 22:06:54 +0000 (15:06 -0700)
This patch changes rts51x_read_mem, rts51x_write_mem, and rts51x_read_status to
allocate temporary buffers with kmalloc. This way stack addresses are not used
for DMA when these functions call rts51x_bulk_transport.

Signed-off-by: Adam Cozzette <acozzette@cs.hmc.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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