| Message ID | 20241105153316.378-7-mario.limonciello@amd.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Add support for binding ACPI platform profile to multiple drivers | expand |
On Tue, 5 Nov 2024, Mario Limonciello wrote: > Holding the mutex is not necessary while scanning the string passed into > platform_profile_store(). > > Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> > --- > drivers/acpi/platform_profile.c | 12 +++++------- > 1 file changed, 5 insertions(+), 7 deletions(-) > > diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c > index 4e8a155589c21..70e7f1ba68676 100644 > --- a/drivers/acpi/platform_profile.c > +++ b/drivers/acpi/platform_profile.c > @@ -83,6 +83,11 @@ static ssize_t platform_profile_store(struct device *dev, > { > int err, i; > > + /* Scan for a matching profile */ > + i = sysfs_match_string(profile_names, buf); > + if (i < 0) > + return -EINVAL; > + > err = mutex_lock_interruptible(&profile_lock); > if (err) > return err; > @@ -92,13 +97,6 @@ static ssize_t platform_profile_store(struct device *dev, > return -ENODEV; > } > > - /* Scan for a matching profile */ > - i = sysfs_match_string(profile_names, buf); > - if (i < 0) { > - mutex_unlock(&profile_lock); > - return -EINVAL; > - } > - > /* Check that platform supports this profile choice */ > if (!test_bit(i, cur_profile->choices)) { > mutex_unlock(&profile_lock); > Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Am 05.11.24 um 16:33 schrieb Mario Limonciello: > Holding the mutex is not necessary while scanning the string passed into > platform_profile_store(). Reviewed-by: Armin Wolf <W_Armin@gmx.de> > Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> > --- > drivers/acpi/platform_profile.c | 12 +++++------- > 1 file changed, 5 insertions(+), 7 deletions(-) > > diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c > index 4e8a155589c21..70e7f1ba68676 100644 > --- a/drivers/acpi/platform_profile.c > +++ b/drivers/acpi/platform_profile.c > @@ -83,6 +83,11 @@ static ssize_t platform_profile_store(struct device *dev, > { > int err, i; > > + /* Scan for a matching profile */ > + i = sysfs_match_string(profile_names, buf); > + if (i < 0) > + return -EINVAL; > + > err = mutex_lock_interruptible(&profile_lock); > if (err) > return err; > @@ -92,13 +97,6 @@ static ssize_t platform_profile_store(struct device *dev, > return -ENODEV; > } > > - /* Scan for a matching profile */ > - i = sysfs_match_string(profile_names, buf); > - if (i < 0) { > - mutex_unlock(&profile_lock); > - return -EINVAL; > - } > - > /* Check that platform supports this profile choice */ > if (!test_bit(i, cur_profile->choices)) { > mutex_unlock(&profile_lock);
diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index 4e8a155589c21..70e7f1ba68676 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -83,6 +83,11 @@ static ssize_t platform_profile_store(struct device *dev, { int err, i; + /* Scan for a matching profile */ + i = sysfs_match_string(profile_names, buf); + if (i < 0) + return -EINVAL; + err = mutex_lock_interruptible(&profile_lock); if (err) return err; @@ -92,13 +97,6 @@ static ssize_t platform_profile_store(struct device *dev, return -ENODEV; } - /* Scan for a matching profile */ - i = sysfs_match_string(profile_names, buf); - if (i < 0) { - mutex_unlock(&profile_lock); - return -EINVAL; - } - /* Check that platform supports this profile choice */ if (!test_bit(i, cur_profile->choices)) { mutex_unlock(&profile_lock);
Holding the mutex is not necessary while scanning the string passed into platform_profile_store(). Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> --- drivers/acpi/platform_profile.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-)