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| author | Kurt Borja <[email protected]> | 2025-02-12 19:30:58 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <[email protected]> | 2025-02-18 19:03:37 +0000 |
| commit | d403120cb9d4787b283ea202b2162f459d18fe9d (patch) | |
| tree | 776cd9f51133bdf3cb2fcf509dda6d810d30eb89 | |
| parent | Linux 6.14-rc3 (diff) | |
| download | kernel-d403120cb9d4787b283ea202b2162f459d18fe9d.tar.gz kernel-d403120cb9d4787b283ea202b2162f459d18fe9d.zip | |
ACPI: platform_profile: Fix memory leak in profile_class_is_visible()
If class_find_device() finds a device, it's reference count is
incremented.
Call put_device() to drop this reference before returning.
Fixes: 77be5cacb2c2 ("ACPI: platform_profile: Create class for ACPI platform profile")
Signed-off-by: Kurt Borja <[email protected]>
Reviewed-by: Mark Pearson <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Rafael J. Wysocki <[email protected]>
| -rw-r--r-- | drivers/acpi/platform_profile.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index fc92e43d0fe9..2ad53cc6aae5 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -417,8 +417,14 @@ static int profile_class_registered(struct device *dev, const void *data) static umode_t profile_class_is_visible(struct kobject *kobj, struct attribute *attr, int idx) { - if (!class_find_device(&platform_profile_class, NULL, NULL, profile_class_registered)) + struct device *dev; + + dev = class_find_device(&platform_profile_class, NULL, NULL, profile_class_registered); + if (!dev) return 0; + + put_device(dev); + return attr->mode; } |