- New upstream release.

1 files changed, 6 insertions, 3 deletions

diff --git a/src/dumm/cowfs.c b/src/dumm/cowfs.c
index 4c16c7c5d..88041811e 100644
--- a/src/dumm/cowfs.c
+++ b/src/dumm/cowfs.c
@@ -709,8 +709,9 @@ static int cowfs_write(const char *path, const char *buf, size_t size,
 
 	rel(&path);
 
-	fd = get_rd(path);
-	if (fd == this->master_fd)
+	fd = get_wr(path);
+	if (fd == this->master_fd ||
+		(this->over_fd > 0 && fd == this->host_fd))
 	{
 		fd = copy(path);
 		if (fd < 0)
@@ -858,13 +859,15 @@ cowfs_t *cowfs_create(char *master, char *host, char *mount)
     {
     	DBG1("failed to open master filesystem '%s'", master);
     	free(this);
+    	return NULL;
     }
     this->host_fd = open(host, O_RDONLY | O_DIRECTORY);
-	if (this->master_fd < 0)
+	if (this->host_fd < 0)
     {
     	DBG1("failed to open host filesystem '%s'", host);
     	close(this->master_fd);
     	free(this);
+    	return NULL;
     }
 	this->over_fd = -1;