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Commit 1ea6be21 authored by Jesper Juhl's avatar Jesper Juhl Committed by Borislav Petkov
Browse files

x86, microcode, AMD: Replace vmalloc+memset with vzalloc 



We don't have to do memset() ourselves after vmalloc() when we have
vzalloc(), so change that in
arch/x86/kernel/microcode_amd.c::get_next_ucode().

Signed-off-by: default avatarJesper Juhl <jj@chaosbits.net>
Signed-off-by: default avatarBorislav Petkov <borislav.petkov@amd.com>
parent f6614b7b

arch/x86/kernel/microcode_amd.c

+10 −9
Original line number Diff line number Diff line
@@ -183,16 +183,17 @@ get_next_ucode(const u8 *buf, unsigned int size, unsigned int *mc_size) 
		return NULL;

	}



	mc = vmalloc(UCODE_MAX_SIZE);

	if (mc) {

		memset(mc, 0, UCODE_MAX_SIZE);

		if (get_ucode_data(mc, buf + UCODE_CONTAINER_SECTION_HDR,

				   total_size)) {

	mc = vzalloc(UCODE_MAX_SIZE);

	if (!mc)

		return NULL;



	if (get_ucode_data(mc, buf + UCODE_CONTAINER_SECTION_HDR, total_size)) {

		vfree(mc);

		mc = NULL;

		} else

	} else {

		*mc_size = total_size + UCODE_CONTAINER_SECTION_HDR;

	}



	return mc;

}