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crypto: caam: - Use kmemdup() function 

Use kmemdup() rather than duplicating its implementation.

By usign kmemdup() we can also get rid of the 'val' variable.

Detected with Coccinelle script.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Fabio Estevam 2018-04-16 13:05:01 -03:00 committed by Herbert Xu
parent 8a2a0dd35f
commit b930f3a229
1 changed files with 1 additions and 8 deletions
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9
drivers/crypto/caam/caampkc.c
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@ -783,19 +783,12 @@ static u8 *caam_read_rsa_crt(const u8 *ptr, size_t nbytes, size_t dstlen)
*/
static inline u8 *caam_read_raw_data(const u8 *buf, size_t *nbytes)
{
u8 *val;
caam_rsa_drop_leading_zeros(&buf, nbytes);
if (!*nbytes)
return NULL;
val = kzalloc(*nbytes, GFP_DMA | GFP_KERNEL);
if (!val)
return NULL;
memcpy(val, buf, *nbytes);
return val;
return kmemdup(buf, *nbytes, GFP_DMA | GFP_KERNEL);
}
static int caam_rsa_check_key_length(unsigned int len)