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x86: fix bogus memcpy in es7000_check_dsdt()

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es7000_check_dst() contains a memcpy from 0, which probably should have been
a memset. Remove it and check the retunr value from acpi_get_table_header.

Noticed by: Joe Perches <joe@perches.com>

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2007-11-14 13:20:48 +01:00 committed by Thomas Gleixner
parent d9f8bcbf67
commit 142d0a674d
1 changed files with 3 additions and 3 deletions
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6
include/asm-x86/mach-es7000/mach_mpparse.h
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@ -29,9 +29,9 @@ extern int mps_oem_check(struct mp_config_table *mpc, char *oem,
static inline int es7000_check_dsdt(void)
{
struct acpi_table_header header;
memcpy(&header, 0, sizeof(struct acpi_table_header));
acpi_get_table_header(ACPI_SIG_DSDT, 0, &header);
if (!strncmp(header.oem_id, "UNISYS", 6))
if (ACPI_SUCCESS(acpi_get_table_header(ACPI_SIG_DSDT, 0, &header)) &&
!strncmp(header.oem_id, "UNISYS", 6))
return 1;
return 0;
}