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authorBaoquan He <[email protected]>2016-08-12 15:21:47 +0800
committerIngo Molnar <[email protected]>2016-08-15 08:53:44 +0200
commit31b02dd718712f4c45afbeea7fbd187ecb1b202c (patch)
tree9e8c7d1d3d39cb0915869c4a26a90c7f767dd943
parent6de421198c75d95088331e6a480e952292b0e121 (diff)
x86/apic, ACPI: Fix incorrect assignment when handling apic/x2apic entries
By pure accident the bug makes no functional difference, because the only expression where we are using these values is (!count && !x2count), in which the variables are interchangeable, but it makes sense to fix the bug nevertheless. Signed-off-by: Baoquan He <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Brian Gerst <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
-rw-r--r--arch/x86/kernel/acpi/boot.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 2087bea6b461..1ad5fe213043 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1018,8 +1018,8 @@ static int __init acpi_parse_madt_lapic_entries(void)
return ret;
}
- x2count = madt_proc[0].count;
- count = madt_proc[1].count;
+ count = madt_proc[0].count;
+ x2count = madt_proc[1].count;
}
if (!count && !x2count) {
printk(KERN_ERR PREFIX "No LAPIC entries present\n");