[PATCH v2 1/3] setup: free old value before setting `work_tree`

[Martin Ågren]

Before assigning to `data->work_tree` in `read_worktree_config()`, free
any value we might already have picked up, so that we do not leak it.

Signed-off-by: Martin Ågren <martin.ag...@gmail.com>
---
 setup.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/setup.c b/setup.c
index 1be5037f12..bb633942bb 100644
--- a/setup.c
+++ b/setup.c
@@ -411,6 +411,7 @@ static int read_worktree_config(const char *var, const char 
*value, void *vdata)
        } else if (strcmp(var, "core.worktree") == 0) {
                if (!value)
                        return config_error_nonbool(var);
+               free(data->work_tree);
                data->work_tree = xstrdup(value);
        }
        return 0;
-- 
2.20.1