linux-kernel - [tip: x86/sgx] x86/sgx: Use vmalloc

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Message-ID: <173143963304.32228.265321628400891478.tip-bot2@tip-bot2>
Date: Tue, 12 Nov 2024 19:27:12 -0000
From: "tip-bot2 for Thorsten Blum" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Thorsten Blum <thorsten.blum@...ux.dev>,
 Dave Hansen <dave.hansen@...ux.intel.com>,
 Jarkko Sakkinen <jarkko@...nel.org>, Kai Huang <kai.huang@...el.com>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/sgx] x86/sgx: Use vmalloc_array() instead of vmalloc()

The following commit has been merged into the x86/sgx branch of tip:

Commit-ID:     f060c89dc1a3cfb6db3894e1d96980a568aa355c
Gitweb:        https://git.kernel.org/tip/f060c89dc1a3cfb6db3894e1d96980a568aa355c
Author:        Thorsten Blum <thorsten.blum@...ux.dev>
AuthorDate:    Tue, 12 Nov 2024 19:26:34 +01:00
Committer:     Dave Hansen <dave.hansen@...ux.intel.com>
CommitterDate: Tue, 12 Nov 2024 11:11:42 -08:00

x86/sgx: Use vmalloc_array() instead of vmalloc()

Use vmalloc_array() instead of vmalloc() to calculate the number of
bytes to allocate.

Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@...nel.org>
Acked-by: Kai Huang <kai.huang@...el.com>
Link: https://lore.kernel.org/all/20241112182633.172944-2-thorsten.blum%40linux.dev
---
 arch/x86/kernel/cpu/sgx/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index 9ace844..1a59e59 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -630,7 +630,7 @@ static bool __init sgx_setup_epc_section(u64 phys_addr, u64 size,
 	if (!section->virt_addr)
 		return false;
 
-	section->pages = vmalloc(nr_pages * sizeof(struct sgx_epc_page));
+	section->pages = vmalloc_array(nr_pages, sizeof(struct sgx_epc_page));
 	if (!section->pages) {
 		memunmap(section->virt_addr);
 		return false;