Author: kib
Date: Tue Apr 12 10:25:44 2016
New Revision: 297853
URL: https://svnweb.freebsd.org/changeset/base/297853
Log:
If off-page lookup failed, there is no memory to perform
shared_mutex_init() upon.
Sponsored by: The FreeBSD Foundation
Modified:
head/lib/libthr/thread/thr_mutex.c
Modified: head/lib/libthr/thread/thr_mutex.c
==============================================================================
--- head/lib/libthr/thread/thr_mutex.c Tue Apr 12 07:54:55 2016
(r297852)
+++ head/lib/libthr/thread/thr_mutex.c Tue Apr 12 10:25:44 2016
(r297853)
@@ -476,7 +476,8 @@ check_and_init_mutex(pthread_mutex_t *mu
*m = __thr_pshared_offpage(mutex, 0);
if (*m == NULL)
ret = EINVAL;
- shared_mutex_init(*m, NULL);
+ else
+ shared_mutex_init(*m, NULL);
} else if (__predict_false(*m <= THR_MUTEX_DESTROYED)) {
if (*m == THR_MUTEX_DESTROYED) {
ret = EINVAL;
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