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futex: Remove pointless put_pi_state calls in requeue() 

In the error handling cases we neither have pi_state nor a reference
to it. Remove the pointless code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Darren Hart <darren@dvhart.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Bhuvanesh_Surachari@mentor.com
Cc: Andy Lowe <Andy_Lowe@mentor.com>
Link: http://lkml.kernel.org/r/20151219200607.432780944@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
hifive-unleashed-5.1
Thomas Gleixner 2015-12-19 20:07:40 +00:00
parent ecb38b78f6
commit 4959f2de11
1 changed files with 2 additions and 4 deletions
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6
kernel/futex.c
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@ -1735,9 +1735,9 @@ retry_private:
case 0:
/* We hold a reference on the pi state. */
break;
/* If the above failed, then pi_state is NULL */
case -EFAULT:
put_pi_state(pi_state);
pi_state = NULL;
double_unlock_hb(hb1, hb2);
hb_waiters_dec(hb2);
put_futex_key(&key2);
@ -1753,8 +1753,6 @@ retry_private:
* exit to complete.
* - The user space value changed.
*/
put_pi_state(pi_state);
pi_state = NULL;
double_unlock_hb(hb1, hb2);
hb_waiters_dec(hb2);
put_futex_key(&key2);