diff options
| author | Li Ming <ming.li@zohomail.com> | 2026-03-10 23:57:53 +0800 |
|---|---|---|
| committer | Danilo Krummrich <dakr@kernel.org> | 2026-03-12 22:41:02 +0100 |
| commit | bb729bf1d6fdf5c2087c1651165c74cef0da1742 (patch) | |
| tree | 79616a8fcba82e7c2addc1647c7515b281c170ce /include/linux | |
| parent | 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f (diff) | |
driver core: Add conditional guard support for device_lock()
Introduce conditional guard version of device_lock() for scenarios that
require conditional device lock holding.
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Li Ming <ming.li@zohomail.com>
Link: https://patch.msgid.link/20260310-fix_access_endpoint_without_drv_check-v1-1-94fe919a0b87@zohomail.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/device.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 0be95294b6e6..4fafee80524b 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -911,6 +911,7 @@ static inline void device_unlock(struct device *dev) } DEFINE_GUARD(device, struct device *, device_lock(_T), device_unlock(_T)) +DEFINE_GUARD_COND(device, _intr, device_lock_interruptible(_T), _RET == 0) static inline void device_lock_assert(struct device *dev) { |