Module: xenomai-3
Branch: next
Commit: ed5025ddb8cc536be814b7851ff6d4e5aa90d398
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=ed5025ddb8cc536be814b7851ff6d4e5aa90d398
Author: Philippe Gerum <r...@xenomai.org>
Date: Tue Jul 25 11:39:09 2017 +0200
alchemy/mutex: create: detect invalid caller earlier
---
lib/alchemy/mutex.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/lib/alchemy/mutex.c b/lib/alchemy/mutex.c
index 3aa55dd..99ba8c6 100644
--- a/lib/alchemy/mutex.c
+++ b/lib/alchemy/mutex.c
@@ -108,7 +108,7 @@ int rt_mutex_create(RT_MUTEX *mutex, const char *name)
struct alchemy_mutex *mcb;
pthread_mutexattr_t mattr;
struct service svc;
- int ret = 0;
+ int ret;
if (threadobj_irq_p())
return -EPERM;
@@ -133,7 +133,12 @@ int rt_mutex_create(RT_MUTEX *mutex, const char *name)
pthread_mutexattr_settype(&mattr, PTHREAD_MUTEX_RECURSIVE);
/* pthread_mutexattr_setrobust_np() might not be implemented. */
pthread_mutexattr_setrobust_np(&mattr, PTHREAD_MUTEX_ROBUST_NP);
- __RT(pthread_mutex_init(&mcb->lock, &mattr));
+ ret = __RT(pthread_mutex_init(&mcb->lock, &mattr));
+ if (ret) {
+ xnfree(mcb);
+ goto out;
+ }
+
pthread_mutexattr_destroy(&mattr);
mcb->magic = mutex_magic;
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