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[PATCH] ide: if the id fields looks screwy, disable DMA 

It's the safer choice. Originally due to a bug in itx821x, but a
generally sound thing to do.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Jens Axboe 2006-07-28 08:58:26 +02:00
parent 361934849e
commit 0a8348d086
1 changed files with 1 additions and 1 deletions
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2
drivers/ide/ide-dma.c
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@ -750,7 +750,7 @@ void ide_dma_verbose(ide_drive_t *drive)
goto bug_dma_off;
printk(", DMA");
} else if (id->field_valid & 1) {
printk(", BUG");
goto bug_dma_off;
}
return;
bug_dma_off: