udev-builtin-btrfs: properly initialize ioctl struct to zeroes

[elogind.git] / src / udev / udev-builtin-btrfs.c

diff --git a/src/udev/udev-builtin-btrfs.c b/src/udev/udev-builtin-btrfs.c
index 2baafe61310495ce1bb184ab025a45b5c9cab8aa..74b220928ecd7dba17df0426f238ea3ec8bbd803 100644 (file)
--- a/src/udev/udev-builtin-btrfs.c
+++ b/src/udev/udev-builtin-btrfs.c
@@ -25,19 +25,15 @@
 #include <errno.h>
 #include <sys/ioctl.h>
 
-#include "udev.h"
+#ifdef HAVE_LINUX_BTRFS_H
+#include <linux/btrfs.h>
+#endif
 
-#define BTRFS_PATH_NAME_MAX 4087
-struct btrfs_ioctl_vol_args {
-        int64_t fd;
-        char name[BTRFS_PATH_NAME_MAX + 1];
-};
-#define BTRFS_IOCTL_MAGIC 0x94
-#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, struct btrfs_ioctl_vol_args)
+#include "missing.h"
+#include "udev.h"
 
-static int builtin_btrfs(struct udev_device *dev, int argc, char *argv[], bool test)
-{
-        struct  btrfs_ioctl_vol_args args;
+static int builtin_btrfs(struct udev_device *dev, int argc, char *argv[], bool test) {
+        struct btrfs_ioctl_vol_args args = {};
         _cleanup_close_ int fd = -1;
         int err;