mdopen: open md devices O_RDONLY

[thirdparty/mdadm.git] / mdassemble.c

diff --git a/mdassemble.c b/mdassemble.c
index 78d363a328c7e7449cc3b23f91534ee1a88ea5ca..471ffeb03ae410641eb44f8f29d2ba8469d49a05 100644 (file)
--- a/mdassemble.c
+++ b/mdassemble.c
@@ -32,7 +32,7 @@ char const Name[] = "mdassemble";
 /* from mdopen.c */
 int open_mddev(char *dev, int report_errors/*unused*/)
 {
-       int mdfd = open(dev, O_RDWR);
+       int mdfd = open(dev, O_RDONLY);
        if (mdfd < 0)
                pr_err("error opening %s: %s\n",
                        dev, strerror(errno));