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Commit b1fceac2 authored by Akinobu Mita's avatar Akinobu Mita Committed by Ingo Molnar
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x86: remove unnecessary memset and NULL check after alloc_bootmem() 



memset and NULL check after alloc_bootmem() are unnecessary.
Because it returns zeroed memory and it never return NULL.

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent a1a33fa3

arch/x86/kernel/acpi/boot.c

+0 −4
Original line number Original line Diff line number Diff line
@@ -697,10 +697,6 @@ static int __init acpi_parse_hpet(struct acpi_table_header *table) 
#define HPET_RESOURCE_NAME_SIZE 9

#define HPET_RESOURCE_NAME_SIZE 9

	hpet_res = alloc_bootmem(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE);

	hpet_res = alloc_bootmem(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE);





	if (!hpet_res)

		return 0;



	memset(hpet_res, 0, sizeof(*hpet_res));

	hpet_res->name = (void *)&hpet_res[1];

	hpet_res->name = (void *)&hpet_res[1];

	hpet_res->flags = IORESOURCE_MEM;

	hpet_res->flags = IORESOURCE_MEM;

	snprintf((char *)hpet_res->name, HPET_RESOURCE_NAME_SIZE, "HPET %u",

	snprintf((char *)hpet_res->name, HPET_RESOURCE_NAME_SIZE, "HPET %u",