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scatterlist: protect parameters of the sg_table related macros

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Add brackets to protect parameters of the recently added sg_table related
macros from side-effects.

Fixes: 709d6d73c7 ("scatterlist: add generic wrappers for iterating over sgtable objects")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Marek Szyprowski 2020-06-30 10:16:02 +02:00 committed by Christoph Hellwig
parent 71cdec4fab
commit 68d237056e
1 changed files with 4 additions and 4 deletions
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8
include/linux/scatterlist.h
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@ -155,7 +155,7 @@ static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
* Loop over each sg element in the given sg_table object.
*/
#define for_each_sgtable_sg(sgt, sg, i) \
for_each_sg(sgt->sgl, sg, sgt->orig_nents, i)
for_each_sg((sgt)->sgl, sg, (sgt)->orig_nents, i)
/*
* Loop over each sg element in the given *DMA mapped* sg_table object.
@ -163,7 +163,7 @@ static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
* of the each element.
*/
#define for_each_sgtable_dma_sg(sgt, sg, i) \
for_each_sg(sgt->sgl, sg, sgt->nents, i)
for_each_sg((sgt)->sgl, sg, (sgt)->nents, i)
/**
* sg_chain - Chain two sglists together
@ -451,7 +451,7 @@ sg_page_iter_dma_address(struct sg_dma_page_iter *dma_iter)
* See also for_each_sg_page(). In each loop it operates on PAGE_SIZE unit.
*/
#define for_each_sgtable_page(sgt, piter, pgoffset) \
for_each_sg_page(sgt->sgl, piter, sgt->orig_nents, pgoffset)
for_each_sg_page((sgt)->sgl, piter, (sgt)->orig_nents, pgoffset)
/**
* for_each_sgtable_dma_page - iterate over the DMA mapped sg_table object
@ -465,7 +465,7 @@ sg_page_iter_dma_address(struct sg_dma_page_iter *dma_iter)
* unit.
*/
#define for_each_sgtable_dma_page(sgt, dma_iter, pgoffset) \
for_each_sg_dma_page(sgt->sgl, dma_iter, sgt->nents, pgoffset)
for_each_sg_dma_page((sgt)->sgl, dma_iter, (sgt)->nents, pgoffset)
/*