[PATCH v6 06/22] ACPI: platform_profile: Move sanity check out of the mutex

[Mario Limonciello]

The sanity check that the platform handler had choices set doesn't
need the mutex taken.  Move it to earlier in the registration.

Tested-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
Tested-by: Matthew Schwartz <matthew.schwartz@xxxxxxxxx>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
Reviewed-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
Reviewed-by: Armin Wolf <W_Armin@xxxxxx>
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
v5:
 * Add tag
---
 drivers/acpi/platform_profile.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
index 927a2f7456c9a..4f5623fc27c09 100644
--- a/drivers/acpi/platform_profile.c
+++ b/drivers/acpi/platform_profile.c
@@ -179,6 +179,13 @@ int platform_profile_register(struct platform_profile_handler *pprof)
 {
 	int err;
 
+	/* Sanity check the profile handler */
+	if (!pprof || bitmap_empty(pprof->choices, PLATFORM_PROFILE_LAST) ||
+	    !pprof->profile_set || !pprof->profile_get) {
+		pr_err("platform_profile: handler is invalid\n");
+		return -EINVAL;
+	}
+
 	mutex_lock(&profile_lock);
 	/* We can only have one active profile */
 	if (cur_profile) {
@@ -186,13 +193,6 @@ int platform_profile_register(struct platform_profile_handler *pprof)
 		return -EEXIST;
 	}
 
-	/* Sanity check the profile handler field are set */
-	if (!pprof || bitmap_empty(pprof->choices, PLATFORM_PROFILE_LAST) ||
-		!pprof->profile_set || !pprof->profile_get) {
-		mutex_unlock(&profile_lock);
-		return -EINVAL;
-	}
-
 	err = sysfs_create_group(acpi_kobj, &platform_profile_group);
 	if (err) {
 		mutex_unlock(&profile_lock);
-- 
2.43.0