Correctly handle the race itself, too (don't leave it locked).

This is about to be replaced anyway by initialization explicitly
instead of lazily, and reducing the complexity of it.  As it is
now, this will work fine, however.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/libc/stdio/_flock_stub.c b/lib/libc/stdio/_flock_stub.c
index 0d34e57..7d17f9a 100644
--- a/lib/libc/stdio/_flock_stub.c
+++ b/lib/libc/stdio/_flock_stub.c
@@ -99,6 +99,7 @@ init_lock(FILE *fp)
 		}
 		if (fp->_lock != NULL) {	/* lost the race */
 			free(p);
+			_pthread_mutex_unlock(&init_lock_mutex);
 			return (0);
 		}
 		fp->_lock = p;