diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-09-26 18:41:21 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-09-26 20:36:36 +0200 |
| commit | 1f5bcfe91ffce71bdd1022648b9d501d46d20c09 (patch) | |
| tree | 832f5b343de421f13792b128e7f235bf0d549974 /kernel/power/hibernate.c | |
| parent | 6f4c6f9ed4ce65303f6bb153e2afc71bc33c8ded (diff) | |
PM: hibernate: Combine return paths in power_down()
To avoid code duplication and improve clarity, combine the code
paths in power_down() leading to a return from that function.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/3571055.QJadu78ljV@rafael.j.wysocki
[ rjw: Changed the new label name to "exit" ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'kernel/power/hibernate.c')
| -rw-r--r-- | kernel/power/hibernate.c | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 728328c51b64..14e85ff23551 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -708,21 +708,11 @@ static void power_down(void) if (hibernation_mode == HIBERNATION_SUSPEND) { pm_restore_gfp_mask(); error = suspend_devices_and_enter(mem_sleep_current); - if (error) { - hibernation_mode = hibernation_ops ? - HIBERNATION_PLATFORM : - HIBERNATION_SHUTDOWN; - } else { - /* Match pm_restore_gfp_mask() call in hibernate() */ - pm_restrict_gfp_mask(); - - /* Restore swap signature. */ - error = swsusp_unmark(); - if (error) - pr_err("Swap will be unusable! Try swapon -a.\n"); + if (!error) + goto exit; - return; - } + hibernation_mode = hibernation_ops ? HIBERNATION_PLATFORM : + HIBERNATION_SHUTDOWN; } #endif @@ -733,12 +723,9 @@ static void power_down(void) case HIBERNATION_PLATFORM: error = hibernation_platform_enter(); if (error == -EAGAIN || error == -EBUSY) { - /* Match pm_restore_gfp_mask() in hibernate(). */ - pm_restrict_gfp_mask(); - swsusp_unmark(); events_check_enabled = false; pr_info("Wakeup event detected during hibernation, rolling back.\n"); - return; + goto exit; } fallthrough; case HIBERNATION_SHUTDOWN: @@ -757,6 +744,15 @@ static void power_down(void) pr_crit("Power down manually\n"); while (1) cpu_relax(); + +exit: + /* Match the pm_restore_gfp_mask() call in hibernate(). */ + pm_restrict_gfp_mask(); + + /* Restore swap signature. */ + error = swsusp_unmark(); + if (error) + pr_err("Swap will be unusable! Try swapon -a.\n"); } static int load_image_and_restore(void) |