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crypto: ccp - Ensure psp_ret is always init'd in __sev_platform_init_locked()

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[ Upstream commit 1e1ec11d3e ]

Initialize psp_ret inside of __sev_platform_init_locked() because there
are many failure paths with PSP initialization that do not set
__sev_do_cmd_locked().

Fixes: e423b9d75e: ("crypto: ccp - Move SEV_INIT retry for corrupted data")

Signed-off-by: Peter Gonda <pgonda@google.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Marc Orr <marcorr@google.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: John Allen <john.allen@amd.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Peter Gonda 2022-01-10 13:18:37 -08:00 committed by Greg Kroah-Hartman
parent 01d5084170
commit 0e67b3e1f9
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/ccp/sev-dev.c
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@ -241,7 +241,7 @@ static int __sev_platform_init_locked(int *error)
struct psp_device *psp = psp_master;
struct sev_data_init data;
struct sev_device *sev;
int psp_ret, rc = 0;
int psp_ret = -1, rc = 0;
if (!psp || !psp->sev_data)
return -ENODEV;