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libata: don't use on-stack sense buffer

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sense_buffer is used as DMA target and shouldn't be allocated on
stack.  Use ap->sector_buf instead.  This problem is spotted by Chuck
Ebbert.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo 2009-03-02 18:55:16 +09:00 committed by Jeff Garzik
parent 84bda12af3
commit b535708146
1 changed files with 1 additions and 1 deletions
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drivers/ata/libata-eh.c
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@ -2901,7 +2901,7 @@ static int atapi_eh_clear_ua(struct ata_device *dev)
int i;
for (i = 0; i < ATA_EH_UA_TRIES; i++) {
u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
u8 *sense_buffer = dev->link->ap->sector_buf;
u8 sense_key = 0;
unsigned int err_mask;