Merge branch 'acpi-processor'

rafaeljw · rafaeljw · commit a1001c37f83b · 2023-09-22T18:34:34.000+02:00
Merge a fix for recently introduced uninitialized memory access in the
ACPI processor driver from Michal Wilczynski.

* acpi-processor:
  ACPI: processor: Fix uninitialized access of buf in acpi_set_pdc_bits()
diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c
@@ -19,6 +19,7 @@ static void acpi_set_pdc_bits(u32 *buf)
 {
 	buf[0] = ACPI_PDC_REVISION_ID;
 	buf[1] = 1;
+	buf[2] = 0;
 
 	/* Twiddle arch-specific bits needed for _PDC */
 	arch_acpi_set_proc_cap_bits(&buf[2]);

Original file line number	Diff line number	Diff line change
`@@ -19,6 +19,7 @@ static void acpi_set_pdc_bits(u32 *buf)`
`19`	`19`	`{`
`20`	`20`	`buf[0] = ACPI_PDC_REVISION_ID;`
`21`	`21`	`buf[1] = 1;`
	`22`	`+ buf[2] = 0;`
`22`	`23`
`23`	`24`	`/* Twiddle arch-specific bits needed for _PDC */`
`24`	`25`	`arch_acpi_set_proc_cap_bits(&buf[2]);`