[1/2] [CRYPTO] api: Avoid refilling larval->adult

[Herbert Xu]

Hi:

A couple of bug fixes:

[CRYPTO] api: Avoid refilling larval->adult

Once a larval has matured we should not change its adult value as this
will break those who have already dereferenced it.

Signed-off-by: Herbert Xu <[EMAIL PROTECTED]>

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <[EMAIL PROTECTED]>
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--
diff --git a/crypto/api.c b/crypto/api.c
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -459,6 +459,8 @@ static int __crypto_register_alg(struct 
                     !strcmp(alg->cra_driver_name, q->cra_name))) {
                        struct crypto_larval *larval = (void *)q;
 
+                       if (larval->adult)
+                               continue;
                        if ((q->cra_flags ^ alg->cra_flags) & larval->mask)
                                continue;
                        if (!crypto_mod_get(alg))
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