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authorTejun Heo <tj@kernel.org>2011-09-06 13:09:05 +0900
committerJeff Garzik <jgarzik@redhat.com>2011-10-07 23:46:25 -0400
commit21dba24481f70696308bd4361a7b2460c8a41965 (patch)
tree6048c5cc4abbe94282474587d6f0c418cb36951f /drivers/ata/ata_piix.c
parentd86619211ed3cdf4f6abff984774b65314aba0fe (diff)
libata: clear PIO pad area
ata_sff_data_xfer[32]() use pad area if the transfer size isn't multiple of transfer size; however, this area wasn't cleared and garbage data in pad area could be transferred to the device. Make sure the pad area is cleared. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Lei Ming <tom.leiming@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/ata_piix.c')
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