commit 63df146dfc84e000c931f34a3ec02b115fcebb49
from: Stefan Sperling <stsp@stsp.name>
date: Mon Nov 09 16:03:35 2020 UTC

fix missing unlink(tmppath) in error cases of install_blob()

commit - 2ac8aa022e2ae3e7792af5fe5a66e10b241a751f
commit + 63df146dfc84e000c931f34a3ec02b115fcebb49
blob - 87e1f051f27eb85cb1fd2136b9ca84911dae869e
blob + cbef2cc22117046d49c0b5ce9a0fc2b5ff0da2c4
--- lib/worktree.c
+++ lib/worktree.c
@@ -1561,14 +1561,17 @@ install_blob(struct got_worktree *worktree, const char
 		if (rename(tmppath, ondisk_path) != 0) {
 			err = got_error_from_errno3("rename", tmppath,
 			    ondisk_path);
-			unlink(tmppath);
 			goto done;
 		}
+		free(tmppath);
+		tmppath = NULL;
 	}
 
 done:
 	if (fd != -1 && close(fd) != 0 && err == NULL)
 		err = got_error_from_errno("close");
+	if (tmppath != NULL && unlink(tmppath) == -1 && err == NULL)
+		err = got_error_from_errno2("unlink", tmppath);
 	free(tmppath);
 	return err;
 }