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-rw-r--r--src/mman/mmap.c13
-rw-r--r--src/mman/munmap.c2
2 files changed, 7 insertions, 8 deletions
diff --git a/src/mman/mmap.c b/src/mman/mmap.c
index 1917a540..56e39a7a 100644
--- a/src/mman/mmap.c
+++ b/src/mman/mmap.c
@@ -16,8 +16,6 @@ weak_alias(dummy0, __vm_unlock);
 
 void *__mmap(void *start, size_t len, int prot, int flags, int fd, off_t off)
 {
-	void *ret;
-
 	if (off & OFF_MASK) {
 		errno = EINVAL;
 		return MAP_FAILED;
@@ -26,14 +24,15 @@ void *__mmap(void *start, size_t len, int prot, int flags, int fd, off_t off)
 		errno = ENOMEM;
 		return MAP_FAILED;
 	}
-	if (flags & MAP_FIXED) __vm_lock(-1);
+	if (flags & MAP_FIXED) {
+		__vm_lock(-1);
+		__vm_unlock();
+	}
 #ifdef SYS_mmap2
-	ret = (void *)syscall(SYS_mmap2, start, len, prot, flags, fd, off/UNIT);
+	return (void *)syscall(SYS_mmap2, start, len, prot, flags, fd, off/UNIT);
 #else
-	ret = (void *)syscall(SYS_mmap, start, len, prot, flags, fd, off);
+	return (void *)syscall(SYS_mmap, start, len, prot, flags, fd, off);
 #endif
-	if (flags & MAP_FIXED) __vm_unlock();
-	return ret;
 }
 
 weak_alias(__mmap, mmap);
diff --git a/src/mman/munmap.c b/src/mman/munmap.c
index 8488d75c..359c691f 100644
--- a/src/mman/munmap.c
+++ b/src/mman/munmap.c
@@ -11,8 +11,8 @@ int __munmap(void *start, size_t len)
 {
 	int ret;
 	__vm_lock(-1);
-	ret = syscall(SYS_munmap, start, len);
 	__vm_unlock();
+	ret = syscall(SYS_munmap, start, len);
 	return ret;
 }