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Commit 61c0596c authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
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[PATCH] libata: trivial updates to ata_sg_init_one() 



There's no need to memset &qc->sgent manually, sg_init_one() clears
sgent inside it.  Also, kill not-so-necessary sg local variable.

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 8a937581

drivers/ata/libata-core.c

+1 −5
Original line number Diff line number Diff line
@@ -3491,19 +3491,15 @@ void ata_noop_qc_prep(struct ata_queued_cmd *qc) { } 


void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen)

{

	struct scatterlist *sg;



	qc->flags |= ATA_QCFLAG_SINGLE;



	memset(&qc->sgent, 0, sizeof(qc->sgent));

	qc->__sg = &qc->sgent;

	qc->n_elem = 1;

	qc->orig_n_elem = 1;

	qc->buf_virt = buf;

	qc->nbytes = buflen;



	sg = qc->__sg;

	sg_init_one(sg, buf, buflen);

	sg_init_one(&qc->sgent, buf, buflen);

}



/**