btrfs-progs: dev stats: use char type path

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/cmds-device.c b/cmds-device.c
index 0b25207..a40b616 100644 (file)
--- a/cmds-device.c
+++ b/cmds-device.c
@@ -432,11 +432,11 @@ static int cmd_device_stats(int argc, char **argv)
 
        for (i = 0; i < fi_args.num_devices; i++) {
                struct btrfs_ioctl_get_dev_stats args = {0};
-               __u8 path[BTRFS_DEVICE_PATH_NAME_MAX + 1];
+               char path[BTRFS_DEVICE_PATH_NAME_MAX + 1];
 
-               strncpy((char *)path, (char *)di_args[i].path,
+               strncpy(path, (char *)di_args[i].path,
                        BTRFS_DEVICE_PATH_NAME_MAX);
-               path[BTRFS_DEVICE_PATH_NAME_MAX] = '\0';
+               path[BTRFS_DEVICE_PATH_NAME_MAX] = 0;
 
                args.devid = di_args[i].devid;
                args.nr_items = BTRFS_DEV_STAT_VALUES_MAX;
@@ -449,7 +449,7 @@ static int cmd_device_stats(int argc, char **argv)
                } else {
                        char *canonical_path;
 
-                       canonical_path = canonicalize_path((char *)path);
+                       canonical_path = canonicalize_path(path);
 
                        /* No path when device is missing. */
                        if (!canonical_path) {