crypto: drbg - fix error return code in drbg_alloc_state()
commit5.4-rM2-2.2.x-imx-squashede0664ebcea
upstream. Fix to return negative error code -ENOMEM from the kzalloc error handling case instead of 0, as done elsewhere in this function. Reported-by: Xiumei Mu <xmu@redhat.com> Fixes:db07cd26ac
("crypto: drbg - add FIPS 140-2 CTRNG for noise source") Cc: <stable@vger.kernel.org> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-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>
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6ebdf342d4
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977b89e1ab
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@ -1294,8 +1294,10 @@ static inline int drbg_alloc_state(struct drbg_state *drbg)
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if (IS_ENABLED(CONFIG_CRYPTO_FIPS)) {
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if (IS_ENABLED(CONFIG_CRYPTO_FIPS)) {
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drbg->prev = kzalloc(drbg_sec_strength(drbg->core->flags),
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drbg->prev = kzalloc(drbg_sec_strength(drbg->core->flags),
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GFP_KERNEL);
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GFP_KERNEL);
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if (!drbg->prev)
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if (!drbg->prev) {
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ret = -ENOMEM;
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goto fini;
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goto fini;
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}
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drbg->fips_primed = false;
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drbg->fips_primed = false;
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}
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}
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