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Fix scan-build warning (null use).

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Probably false positive but defensive approach is better here.
This commit is contained in:
Milan Broz
2014-08-10 16:06:21 +02:00
parent f3f1bfd73a
commit e84b1ed7c0
1 changed files with 3 additions and 0 deletions
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3
lib/crypto_backend/crypto_cipher_kernel.c
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@@ -187,6 +187,9 @@ static int crypt_cipher_crypt(struct crypt_cipher *ctx,
/* Set encrypt/decrypt operation */ /* Set encrypt/decrypt operation */
header = CMSG_FIRSTHDR(&msg); header = CMSG_FIRSTHDR(&msg);
if (!header)
return -EINVAL;
header->cmsg_level = SOL_ALG; header->cmsg_level = SOL_ALG;
header->cmsg_type = ALG_SET_OP; header->cmsg_type = ALG_SET_OP;
header->cmsg_len = CMSG_LEN(sizeof(*type)); header->cmsg_len = CMSG_LEN(sizeof(*type));