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(parent: 1751404) | patch
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)
commit5720f8f2445bfccad9f96c845fe39d9fe560a724
tree96aa9ca56c7faeeaf2d3d25dfc2b1a0312ae7bcftree | snapshot
parent175140442b8c32430c40874c86159326cee4ea6ccommit | diff
ums_realtek: do not use stack memory for DMA

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>
drivers/usb/storage/realtek_cr.c diff | blob | history
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