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From: Janakarajan Natarajan <Janakarajan.Natarajan@amd.com>
To: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Tom Lendacky <thomas.lendacky@amd.com>,
	Gary Hook <gary.hook@amd.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	"David S . Miller" <davem@davemloft.net>,
	Brijesh Singh <brijesh.singh@amd.com>,
	Janakarajan Natarajan <Janakarajan.Natarajan@amd.com>,
	Dan Carpenter <Dan.Carpenter@oracle.com>
Subject: [PATCH 1/2] Fix static checker warning
Date: Fri, 14 Sep 2018 17:32:03 -0500	[thread overview]
Message-ID: <31c49295223e51f5c1c4e36e7a09fe100dab1711.1536959537.git.Janakarajan.Natarajan@amd.com> (raw)
In-Reply-To: <cover.1536959537.git.Janakarajan.Natarajan@amd.com>

Under certain configuration SEV functions can be defined as no-op.
In such a case error can be uninitialized.

Initialize the variable to 0.

Cc: Dan Carpenter <Dan.Carpenter@oracle.com>
Reported-by: Dan Carpenter <Dan.Carpenter@oracle.com>
Signed-off-by: Janakarajan Natarajan <Janakarajan.Natarajan@amd.com>
---
 drivers/crypto/ccp/psp-dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index 72790d8..f541e60 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -423,7 +423,7 @@ EXPORT_SYMBOL_GPL(psp_copy_user_blob);
 static int sev_get_api_version(void)
 {
 	struct sev_user_data_status *status;
-	int error, ret;
+	int error = 0, ret;
 
 	status = &psp_master->status_cmd_buf;
 	ret = sev_platform_status(status, &error);
-- 
2.7.4

  reply	other threads:[~2018-09-14 22:32 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-14 22:32 [PATCH 0/2] Miscellaneous SEV fixes Janakarajan Natarajan
2018-09-14 22:32 ` Janakarajan Natarajan [this message]
2018-09-19 13:40   ` [PATCH 1/2] Fix static checker warning Gary R Hook
2018-09-19 13:57     ` Dan Carpenter
2018-09-20 15:43       ` Natarajan, Janakarajan
2018-09-21  4:52         ` Herbert Xu
2018-09-14 22:32 ` [PATCH 2/2] Allow SEV firmware to be chosen based on Family and Model Janakarajan Natarajan
2018-09-19 13:29   ` Lendacky, Thomas
2018-09-19 13:41   ` Gary R Hook
2018-09-21  5:46 ` [PATCH 0/2] Miscellaneous SEV fixes Herbert Xu

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