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crypto: api - Fix zeroing on free

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Geert Uytterhoeven pointed out that we're not zeroing all the
memory when freeing a transform.  This patch fixes it by calling
ksize to ensure that we zero everything in sight.

Reported-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2009-02-05 16:48:24 +11:00
parent 4abfd73e34
commit 7b2cd92adc
2 changed files with 16 additions and 11 deletions
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include/linux/crypto.h
+6 -1
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@@ -552,7 +552,12 @@ struct crypto_tfm *crypto_alloc_tfm(const char *alg_name,
const struct crypto_type *frontend,
u32 type, u32 mask);
struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask);
void crypto_free_tfm(struct crypto_tfm *tfm);
void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm);
static inline void crypto_free_tfm(struct crypto_tfm *tfm)
{
return crypto_destroy_tfm(tfm, tfm);
}
int alg_test(const char *driver, const char *alg, u32 type, u32 mask);