mdopen: call "modprobe md_mod" if it might be needed.

[thirdparty/mdadm.git] / mdopen.c

diff --git a/mdopen.c b/mdopen.c
index 3c0052f2db23a000362a05e838bd735ee65ccc45..dcdc6f23e6c14176a2278c3d67110545891fd4ee 100644 (file)
--- a/mdopen.c
+++ b/mdopen.c
@@ -312,6 +312,10 @@ int create_mddev(char *dev, char *name, int autof, int trustworthy,
                if (block_udev)
                        udev_block(devnm);
                fd = open("/sys/module/md_mod/parameters/new_array", O_WRONLY);
+               if (fd < 0 && errno == ENOENT) {
+                       system("modprobe md_mod");
+                       fd = open("/sys/module/md_mod/parameters/new_array", O_WRONLY);
+               }
                if (fd >= 0) {
                        n = write(fd, devnm, strlen(devnm));
                        close(fd);