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crypto: ccp - Rearrange structure members to minimize size

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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: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Gary R Hook 2017-03-28 10:57:26 -05:00 committed by Herbert Xu
parent 51de7dd02d
commit 2d15839106
1 changed files with 4 additions and 4 deletions
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8
drivers/crypto/ccp/ccp-dev.h
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@ -427,33 +427,33 @@ enum ccp_memtype {
}; };
#define CCP_MEMTYPE_LSB CCP_MEMTYPE_KSB #define CCP_MEMTYPE_LSB CCP_MEMTYPE_KSB
struct ccp_dma_info { struct ccp_dma_info {
dma_addr_t address; dma_addr_t address;
unsigned int offset; unsigned int offset;
unsigned int length; unsigned int length;
enum dma_data_direction dir; enum dma_data_direction dir;
}; } __packed __aligned(4);
struct ccp_dm_workarea { struct ccp_dm_workarea {
struct device *dev; struct device *dev;
struct dma_pool *dma_pool; struct dma_pool *dma_pool;
unsigned int length;
u8 *address; u8 *address;
struct ccp_dma_info dma; struct ccp_dma_info dma;
unsigned int length;
}; };
struct ccp_sg_workarea { struct ccp_sg_workarea {
struct scatterlist *sg; struct scatterlist *sg;
int nents; int nents;
unsigned int sg_used;
struct scatterlist *dma_sg; struct scatterlist *dma_sg;
struct device *dma_dev; struct device *dma_dev;
unsigned int dma_count; unsigned int dma_count;
enum dma_data_direction dma_dir; enum dma_data_direction dma_dir;
unsigned int sg_used;
u64 bytes_left; u64 bytes_left;
}; };