SYNOPSIS
- int fixup_owner(u32 __user * uaddr, struct futex_q * q, int locked);
ARGUMENTS
uaddr
-
- user address of the futex
q
- futex_q (contains pi_state and access to the rt_mutex)
locked
- if the attempt to take the rt_mutex succeeded (1) or not (0)
DESCRIPTION
After attempting to lock an rt_mutex, this function is called to cleanup the pi_state owner as well as handle race conditions that may allow us to acquire the lock. Must be called with the hb lock held.
RETURN
1 - success, lock taken; 0 - success, lock not taken; <0 - on error (-EFAULT)
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