From: Jules Irenge <jbi.octave@gmail.com>
Date: Sun, 23 Feb 2020 23:17:03 +0000
Subject: ACPI: OSL: Add missing __acquires/__releases annotations
Patch-mainline: v5.7-rc1
Git-commit: 2288eba5ca746e4095ecb483463d8bc4e4d7b2fd
References: jsc#SLE-16407
Sparse reports a warnings at acpi_os_acquire_lock() and
acpi_os_release_lock():
warning: context imbalance in acpi_os_acquire_lock() - unexpected unlock
warning: context imbalance in acpi_os_release_lock() - unexpected unlock
which result from missing __acquires/__releases annotations.
Add the annotations as appropriate to get rid of the warnings.
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
[ rjw: Two patches merged into one, subject & changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
drivers/acpi/osl.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1598,6 +1598,7 @@ void acpi_os_delete_lock(acpi_spinlock h
*/
acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock lockp)
+ __acquires(lockp)
{
acpi_cpu_flags flags;
spin_lock_irqsave(lockp, flags);
@@ -1609,6 +1610,7 @@ acpi_cpu_flags acpi_os_acquire_lock(acpi
*/
void acpi_os_release_lock(acpi_spinlock lockp, acpi_cpu_flags flags)
+ __releases(lockp)
{
spin_unlock_irqrestore(lockp, flags);
}