Re: crypto: gpf on boot with linux-next

From: Herbert Xu
Date: Fri Jun 22 2012 - 08:08:07 EST


On Fri, Jun 22, 2012 at 01:15:55PM +0200, Sasha Levin wrote:
> Hi all,
>
> I'm seeing the following panic when booting the latest linux-next kernel:

Oops, stupid thinko on my part. Can you see if the following patch
on top of linux-next fixes the issue?

diff --git a/crypto/algboss.c b/crypto/algboss.c
index 368a832..f97027e 100644
--- a/crypto/algboss.c
+++ b/crypto/algboss.c
@@ -48,7 +48,7 @@ struct cryptomgr_param {
char larval[CRYPTO_MAX_ALG_NAME];
char template[CRYPTO_MAX_ALG_NAME];

- struct completion completion;
+ struct completion *completion;

u32 otype;
u32 omask;
@@ -87,7 +87,7 @@ static int cryptomgr_probe(void *data)
crypto_tmpl_put(tmpl);

out:
- complete(&param->completion);
+ complete(param->completion);
kfree(param);
module_put_and_exit(0);
}
@@ -189,14 +189,13 @@ static int cryptomgr_schedule_probe(struct crypto_larval *larval)

memcpy(param->larval, larval->alg.cra_name, CRYPTO_MAX_ALG_NAME);

- init_completion(&param->completion);
+ param->completion = &larval->completion;

thread = kthread_run(cryptomgr_probe, param, "cryptomgr_probe");
if (IS_ERR(thread))
goto err_free_param;

- wait_for_completion_interruptible_timeout(&param->completion, 60 * HZ);
- complete_all(&larval->completion);
+ wait_for_completion_interruptible(&larval->completion);

return NOTIFY_STOP;


Thanks!
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/