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From: "tip-bot2 for Rafael Mendonca" <tip-bot2@linutronix.de>
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To: linux-tip-commits@vger.kernel.org
Subject: [tip: x86/sev] virt/sev-guest: Remove unnecessary free in
init_crypto()
Cc: Rafael Mendonca <rafaelmendsr@gmail.com>,
Borislav Petkov <bp@suse.de>, x86@kernel.org,
linux-kernel@vger.kernel.org
In-Reply-To: <20221018015425.887891-1-rafaelmendsr@gmail.com>
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[tip:,x86/sev] virt/sev-guest: Remove unnecessary free in init_crypto()
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Commit Message
tip-bot2 for Thomas Gleixner
Oct. 28, 2022, 6:43 a.m. UTC
The following commit has been merged into the x86/sev branch of tip:
Commit-ID: c6fbb759d68898aad40e57d09ed18df6094a1874
Gitweb: https://git.kernel.org/tip/c6fbb759d68898aad40e57d09ed18df6094a1874
Author: Rafael Mendonca <rafaelmendsr@gmail.com>
AuthorDate: Mon, 17 Oct 2022 22:54:25 -03:00
Committer: Borislav Petkov <bp@suse.de>
CommitterDate: Thu, 27 Oct 2022 14:24:18 +02:00
virt/sev-guest: Remove unnecessary free in init_crypto()
If the memory allocation for the auth tag fails, then there is no need
to free it.
Fixes: fce96cf04430 ("virt: Add SEV-SNP guest driver")
Signed-off-by: Rafael Mendonca <rafaelmendsr@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20221018015425.887891-1-rafaelmendsr@gmail.com
---
drivers/virt/coco/sev-guest/sev-guest.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/virt/coco/sev-guest/sev-guest.c b/drivers/virt/coco/sev-guest/sev-guest.c index f422f9c..e9704ae 100644 --- a/drivers/virt/coco/sev-guest/sev-guest.c +++ b/drivers/virt/coco/sev-guest/sev-guest.c @@ -152,12 +152,10 @@ static struct snp_guest_crypto *init_crypto(struct snp_guest_dev *snp_dev, u8 *k crypto->a_len = crypto_aead_authsize(crypto->tfm); crypto->authtag = kmalloc(crypto->a_len, GFP_KERNEL_ACCOUNT); if (!crypto->authtag) - goto e_free_auth; + goto e_free_iv; return crypto; -e_free_auth: - kfree(crypto->authtag); e_free_iv: kfree(crypto->iv); e_free_crypto: