WARNING: line length of 92 exceeds 80 columns
#110: FILE: drivers/virtio/virtio_ring.c:616:
+			if (vring_map_one_sg(vq, sg, DMA_TO_DEVICE, &addr, &len, premapped))

WARNING: line length of 84 exceeds 80 columns
#119: FILE: drivers/virtio/virtio_ring.c:623:
+			i = virtqueue_add_desc_split(_vq, desc, extra, i, addr, len,

WARNING: line length of 94 exceeds 80 columns
#130: FILE: drivers/virtio/virtio_ring.c:633:
+			if (vring_map_one_sg(vq, sg, DMA_FROM_DEVICE, &addr, &len, premapped))

WARNING: line length of 84 exceeds 80 columns
#139: FILE: drivers/virtio/virtio_ring.c:640:
+			i = virtqueue_add_desc_split(_vq, desc, extra, i, addr, len,

WARNING: line length of 85 exceeds 80 columns
#233: FILE: drivers/virtio/virtio_ring.c:1324:
+				extra[i].addr = premapped ? DMA_MAPPING_ERROR : addr;

WARNING: line length of 82 exceeds 80 columns
#280: FILE: drivers/virtio/virtio_ring.c:1436:
+						    in_sgs, data, premapped, gfp);

WARNING: line length of 85 exceeds 80 columns
#331: FILE: drivers/virtio/virtio_ring.c:2217:
+					out_sgs, in_sgs, data, ctx, premapped, gfp) :

WARNING: line length of 84 exceeds 80 columns
#334: FILE: drivers/virtio/virtio_ring.c:2219:
+					out_sgs, in_sgs, data, ctx, premapped, gfp);

total: 0 errors, 8 warnings, 0 checks, 314 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 6b66e56289a1 ("virtio_ring: perform premapped operations based on per-buffer") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 8 warnings, 0 checks, 314 lines checked