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15b7a68c1d
Introduce two structures for the (DMA address, length) combination instead of using separate structure members for the DMA address and length. This patch fixes several Coverity complaints about 'cur_dsd' being used to write outside the bounds of structure members. Cc: Himanshu Madhani <hmadhani@marvell.com> Cc: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
31 lines
674 B
C
31 lines
674 B
C
#ifndef _QLA_DSD_H_
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#define _QLA_DSD_H_
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/* 32-bit data segment descriptor (8 bytes) */
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struct dsd32 {
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__le32 address;
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__le32 length;
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};
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static inline void append_dsd32(struct dsd32 **dsd, struct scatterlist *sg)
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{
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put_unaligned_le32(sg_dma_address(sg), &(*dsd)->address);
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put_unaligned_le32(sg_dma_len(sg), &(*dsd)->length);
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(*dsd)++;
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}
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/* 64-bit data segment descriptor (12 bytes) */
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struct dsd64 {
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__le64 address;
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__le32 length;
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} __packed;
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static inline void append_dsd64(struct dsd64 **dsd, struct scatterlist *sg)
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{
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put_unaligned_le64(sg_dma_address(sg), &(*dsd)->address);
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put_unaligned_le32(sg_dma_len(sg), &(*dsd)->length);
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(*dsd)++;
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}
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#endif
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