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infiniband: Use user_backed_iter() to see if iterator is UBUF/IOVEC

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Use user_backed_iter() to see if iterator is UBUF/IOVEC rather than poking
inside the iterator.

Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/20230925120309.1731676-5-dhowells@redhat.com
cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
cc: Jason Gunthorpe <jgg@ziepe.ca>
cc: Leon Romanovsky <leon@kernel.org>
cc: linux-rdma@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
David Howells 2023-09-25 13:03:01 +01:00 committed by Christian Brauner
parent 1fcb71282e
commit 7ebc540b35
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
2 changed files with 2 additions and 2 deletions
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2
drivers/infiniband/hw/hfi1/file_ops.c
View File

@ -267,7 +267,7 @@ static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from)
if (!HFI1_CAP_IS_KSET(SDMA))
return -EINVAL;
if (!from->user_backed)
if (!user_backed_iter(from))
return -EINVAL;
idx = srcu_read_lock(&fd->pq_srcu);
pq = srcu_dereference(fd->pq, &fd->pq_srcu);

2
drivers/infiniband/hw/qib/qib_file_ops.c
View File

@ -2244,7 +2244,7 @@ static ssize_t qib_write_iter(struct kiocb *iocb, struct iov_iter *from)
struct qib_ctxtdata *rcd = ctxt_fp(iocb->ki_filp);
struct qib_user_sdma_queue *pq = fp->pq;
if (!from->user_backed || !from->nr_segs || !pq)
if (!user_backed_iter(from) || !from->nr_segs || !pq)
return -EINVAL;
return qib_user_sdma_writev(rcd, pq, iter_iov(from), from->nr_segs);