From: Ethan Carter Edwards <ethan@ethancedwards.com>
Date: Sun, 9 Mar 2025 01:27:41 +0000 (-0500)
Subject: efi: efibc: change kmalloc(size * count, ...) to kmalloc_array()
X-Git-Tag: v6.15-rc1~114^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac2efaa8455021ce1e6216457684d60a9e2c77fd;p=thirdparty%2Fkernel%2Fstable.git

efi: efibc: change kmalloc(size * count, ...) to kmalloc_array()

Open coded arithmetic in allocator arguments is discouraged. Helper
functions like kcalloc or, in this case, kmalloc_array are preferred.

Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments

Signed-off-by: Ethan Carter Edwards <ethan@ethancedwards.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---

diff --git a/drivers/firmware/efi/efibc.c b/drivers/firmware/efi/efibc.c
index 4f9fb086eab7b..0a7c764dcc614 100644
--- a/drivers/firmware/efi/efibc.c
+++ b/drivers/firmware/efi/efibc.c
@@ -47,7 +47,7 @@ static int efibc_reboot_notifier_call(struct notifier_block *notifier,
 	if (ret || !data)
 		return NOTIFY_DONE;
 
-	wdata = kmalloc(MAX_DATA_LEN * sizeof(efi_char16_t), GFP_KERNEL);
+	wdata = kmalloc_array(MAX_DATA_LEN, sizeof(efi_char16_t), GFP_KERNEL);
 	if (!wdata)
 		return NOTIFY_DONE;