bluetooth: buf: Fix callback protection for ISR context #100308
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Fix assertion failure when buf_rx_freed_notify() is called from ISR by replacing k_sched_lock with atomic_ptr operations for callback pointer access. The scheduler lock is retained during callback execution in thread context to maintain backward compatibility, but is skipped in ISR context where it's not available. Updated documentation to clarify the behavior difference between thread and ISR contexts. Signed-off-by: Pavel Vasilyev <[email protected]>
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Fix assertion failure when buf_rx_freed_notify() is called from ISR by replacing k_sched_lock with atomic_ptr operations for callback pointer access.
The scheduler lock is retained during callback execution in thread context to maintain backward compatibility, but is skipped in ISR context where it's not available.
Updated documentation to clarify the behavior difference between thread and ISR contexts.