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-rw-r--r--fs/btrfs/volumes.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index ace2e8d7bbcd..eb89e1317aca 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -365,6 +365,7 @@ static noinline int device_list_add(const char *path,
struct btrfs_device *device;
struct btrfs_fs_devices *fs_devices;
u64 found_transid = btrfs_super_generation(disk_super);
+ char *name;
fs_devices = find_fsid(disk_super->fsid);
if (!fs_devices) {
@@ -411,6 +412,12 @@ static noinline int device_list_add(const char *path,
device->fs_devices = fs_devices;
fs_devices->num_devices++;
+ } else if (strcmp(device->name, path)) {
+ name = kstrdup(path, GFP_NOFS);
+ if (!name)
+ return -ENOMEM;
+ kfree(device->name);
+ device->name = name;
}
if (found_transid > fs_devices->latest_trans) {