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module: icp: drop software provider generation numbers

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We register all providers at once, before anything happens

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12901
This commit is contained in:
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2021-12-24 15:39:47 +01:00
committed by Brian Behlendorf
parent bf3fffe70d
commit 255bc38e6f
5 changed files with 10 additions and 84 deletions
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module/icp/api/kcf_cipher.c
+4 -32
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@@ -90,22 +90,8 @@ retry:
return (error);
}
/*
* Check the validity of the context template
* It is very rare that the generation number mis-matches, so
* is acceptable to fail here, and let the consumer recover by
* freeing this tmpl and create a new one for the key and new provider
*/
if (((ctx_tmpl = (kcf_ctx_template_t *)tmpl) != NULL)) {
if (ctx_tmpl->ct_generation != me->me_gen_swprov) {
if (list != NULL)
kcf_free_triedlist(list);
KCF_PROV_REFRELE(pd);
return (CRYPTO_OLD_CTX_TEMPLATE);
} else {
spi_ctx_tmpl = ctx_tmpl->ct_prov_tmpl;
}
}
if (((ctx_tmpl = (kcf_ctx_template_t *)tmpl) != NULL))
spi_ctx_tmpl = ctx_tmpl->ct_prov_tmpl;
/* The fast path for SW providers. */
if (CHECK_FASTPATH(crq, pd)) {
@@ -193,22 +179,8 @@ retry:
return (error);
}
/*
* Check the validity of the context template
* It is very rare that the generation number mis-matches, so
* is acceptable to fail here, and let the consumer recover by
* freeing this tmpl and create a new one for the key and new provider
*/
if (((ctx_tmpl = (kcf_ctx_template_t *)tmpl) != NULL)) {
if (ctx_tmpl->ct_generation != me->me_gen_swprov) {
if (list != NULL)
kcf_free_triedlist(list);
KCF_PROV_REFRELE(pd);
return (CRYPTO_OLD_CTX_TEMPLATE);
} else {
spi_ctx_tmpl = ctx_tmpl->ct_prov_tmpl;
}
}
if (((ctx_tmpl = (kcf_ctx_template_t *)tmpl) != NULL))
spi_ctx_tmpl = ctx_tmpl->ct_prov_tmpl;
/* The fast path for SW providers. */
if (CHECK_FASTPATH(crq, pd)) {