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btrfs-progs: handle transaction start failure in set_label_unmounted() 

Do proper error handling and use the template error message when setting
the label fails.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2024-03-15 00:19:40 +01:00
parent 3b560a6649
commit dbc7d6aa19
1 changed files with 4 additions and 1 deletions
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5
common/filesystem-utils.c
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@ -98,7 +98,10 @@ static int set_label_unmounted(const char *dev, const char *label)
return -1;
trans = btrfs_start_transaction(root, 1);
BUG_ON(IS_ERR(trans));
if (IS_ERR(trans)) {
error_msg(ERROR_MSG_START_TRANS, "set label");
return PTR_ERR(trans);
}
__strncpy_null(root->fs_info->super_copy->label, label, BTRFS_LABEL_SIZE - 1);
btrfs_commit_transaction(trans, root);