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crypto: ccp - Use kmemdup in ccp_copy_and_save_keypart()

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Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
YueHaibing 2019-03-30 01:43:16 +00:00 committed by Herbert Xu
parent 61abc356bf
commit 8316da02e3
1 changed files with 1 additions and 2 deletions
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3
drivers/crypto/ccp/ccp-crypto-rsa.c
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@ -37,10 +37,9 @@ static inline int ccp_copy_and_save_keypart(u8 **kpbuf, unsigned int *kplen,
if (buf[nskip]) if (buf[nskip])
break; break;
*kplen = sz - nskip; *kplen = sz - nskip;
*kpbuf = kzalloc(*kplen, GFP_KERNEL); *kpbuf = kmemdup(buf + nskip, *kplen, GFP_KERNEL);
if (!*kpbuf) if (!*kpbuf)
return -ENOMEM; return -ENOMEM;
memcpy(*kpbuf, buf + nskip, *kplen);
return 0; return 0;
} }