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sg: remove unnecessary blk_rq_unmap_user
blk_rq_unmap_user in sg_finish_rem_req can take care of all the cases. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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@ -522,10 +522,6 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp)
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err = -EFAULT;
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goto err_out;
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}
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if (srp->bio) {
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err = blk_rq_unmap_user(srp->bio);
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srp->bio = NULL;
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}
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err_out:
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sg_finish_rem_req(srp);
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return (0 == err) ? count : err;
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@ -1844,9 +1840,6 @@ sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer)
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if ((!outp) || (num_read_xfer <= 0))
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return 0;
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blk_rq_unmap_user(srp->bio);
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srp->bio = NULL;
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num = 1 << (PAGE_SHIFT + schp->page_order);
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for (k = 0; k < schp->k_use_sg && schp->pages[k]; k++) {
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if (num > num_read_xfer) {
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