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setup: free old value before setting work_tree

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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.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Martin Ågren 2019-01-22 22:45:47 +01:00 committed by Junio C Hamano
parent ecbdaf0899
commit 13019979b8
1 changed files with 1 additions and 0 deletions
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setup.c
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@ -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;