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libata: fix a typo in comment 

poitner -> pointer.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Chengguang Xu 2019-02-10 23:19:01 +08:00 committed by Jens Axboe
parent 6c826b6867
commit 8d1e02d11e
1 changed files with 1 additions and 1 deletions
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drivers/ata/libata-scsi.c
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@ -2990,7 +2990,7 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc)
* This inconsistency confuses several controllers which
* perform PIO using DMA such as Intel AHCIs and sil3124/32.
* These controllers use actual number of transferred bytes to
* update DMA poitner and transfer of 4n+2 bytes make those
* update DMA pointer and transfer of 4n+2 bytes make those
* controller push DMA pointer by 4n+4 bytes because SATA data
* FISes are aligned to 4 bytes. This causes data corruption
* and buffer overrun.