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