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driver core: Add conditional guard support for device_lock()

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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>
This commit is contained in:
Li Ming 2026-03-10 23:57:53 +08:00 committed by Danilo Krummrich
parent 6de23f81a5
commit bb729bf1d6
1 changed files with 1 additions and 0 deletions
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include/linux/device.h
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@ -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)
{