From: Christoph Hellwig <hch@lst.de>
Date: Mon, 6 Sep 2021 14:40:00 +0200
Subject: dma-mapping: fix the kerneldoc for dma_map_sg_attrs
Patch-mainline: v5.15-rc2
Git-commit: a61cb6017df0a9be072a35259e6e9ae7aa0ef6b3
References: jsc#SLE-19249
Add the missing description for the nents parameter, and fix a trivial
misalignment.
Fixes: fffe3cc8c219 ("dma-mapping: allow map_sg() ops to return negative error codes")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
kernel/dma/mapping.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -206,7 +206,8 @@ static int __dma_map_sg_attrs(struct dev
/**
* dma_map_sg_attrs - Map the given buffer for DMA
* @dev: The device for which to perform the DMA operation
- * @sg: The sg_table object describing the buffer
+ * @sg: The sg_table object describing the buffer
+ * @nents: Number of entries to map
* @dir: DMA direction
* @attrs: Optional DMA attributes for the map operation
*