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-rw-r--r--include/crypto/internal/hash.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index e911f32f46dc..f2bbdb74e11a 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -301,5 +301,9 @@ static inline unsigned int crypto_shash_coresize(struct crypto_shash *tfm)
return crypto_shash_statesize(tfm) - crypto_shash_blocksize(tfm) - 1;
}
+/* This can only be used if the request was never cloned. */
+#define HASH_REQUEST_ZERO(name) \
+ memzero_explicit(__##name##_req, sizeof(__##name##_req))
+
#endif /* _CRYPTO_INTERNAL_HASH_H */