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Commit 2d158391 authored by Gary R Hook's avatar Gary R Hook Committed by Herbert Xu
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crypto: ccp - Rearrange structure members to minimize size 



The AES GCM function (in ccp-ops) requires a fair amount of
stack space, which elicits a complaint when KASAN is enabled.
Rearranging and packing a few structures eliminates the
warning.

Signed-off-by: default avatarGary R Hook <gary.hook@amd.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 51de7dd0

drivers/crypto/ccp/ccp-dev.h

+4 −4
Original line number Diff line number Diff line
@@ -427,33 +427,33 @@ enum ccp_memtype { 
};

#define	CCP_MEMTYPE_LSB	CCP_MEMTYPE_KSB





struct ccp_dma_info {

	dma_addr_t address;

	unsigned int offset;

	unsigned int length;

	enum dma_data_direction dir;

};

} __packed __aligned(4);



struct ccp_dm_workarea {

	struct device *dev;

	struct dma_pool *dma_pool;

	unsigned int length;



	u8 *address;

	struct ccp_dma_info dma;

	unsigned int length;

};



struct ccp_sg_workarea {

	struct scatterlist *sg;

	int nents;

	unsigned int sg_used;



	struct scatterlist *dma_sg;

	struct device *dma_dev;

	unsigned int dma_count;

	enum dma_data_direction dma_dir;



	unsigned int sg_used;



	u64 bytes_left;

};