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crypto: drbg - Fixes panic in wait_for_completion call

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commit b61929c654f2e725644935737c4c1ea9c741e2f8 upstream.

Initialise ctr_completion variable before use.

Cc: <stable@vger.kernel.org>
Signed-off-by: Harsh Jain <harshjain.prof@gmail.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stephan Mueller 2017-05-26 12:11:31 +02:00 committed by Greg Kroah-Hartman
parent 73a0a68779
commit 1803bec709
1 changed files with 1 additions and 0 deletions
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crypto/drbg.c
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@ -1691,6 +1691,7 @@ static int drbg_init_sym_kernel(struct drbg_state *drbg)
return PTR_ERR(sk_tfm);
}
drbg->ctr_handle = sk_tfm;
init_completion(&drbg->ctr_completion);
req = skcipher_request_alloc(sk_tfm, GFP_KERNEL);
if (!req) {