X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fsem_open.c;h=809925d25a7a38834dc7bde773611507d809b930;hb=eb0e8fa0b1960cff4bd65ebefc798f70273b0bc9;hp=6fff71a8512090eb588bb0329e30a51917ca8242;hpb=81af503610761a69476a3adbe8341fa8b6d078aa;p=musl

diff --git a/src/thread/sem_open.c b/src/thread/sem_open.c
index 6fff71a8..809925d2 100644
--- a/src/thread/sem_open.c
+++ b/src/thread/sem_open.c
@@ -100,7 +100,7 @@ sem_t *sem_open(const char *name, int flags, ...)
 					close(tfd);
 					unlink(tmp);
 				}
-				if (fstat(fd, &st) < 0) {
+				if (fd >= 0 && fstat(fd, &st) < 0) {
 					close(fd);
 					fd = -1;
 				}
@@ -118,6 +118,10 @@ sem_t *sem_open(const char *name, int flags, ...)
 				break;
 			}
 		}
+		if (!(flags & O_CREAT)) {
+			pthread_spin_unlock(&lock);
+			return SEM_FAILED;
+		}
 		if (!linkat(AT_FDCWD, tmp, dir, name, 0)) {
 			fd = tfd;
 			close(dir);