[tip: x86/sgx] x86/sgx: Use vmalloc_array() instead of vmalloc()

[tip-bot2 for Thorsten Blum]

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@xxxxxxxxx>
AuthorDate:    Tue, 12 Nov 2024 19:26:34 +01:00
Committer:     Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Acked-by: Kai Huang <kai.huang@xxxxxxxxx>
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;