From: José Expósito Date: Mon, 13 Dec 2021 05:01:49 +0000 (-0800) Subject: Input: atmel_mxt_ts - fix double free in mxt_read_info_block X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=12f247ab590a08856441efdbd351cf2cc8f60a2d;p=linux.git Input: atmel_mxt_ts - fix double free in mxt_read_info_block The "id_buf" buffer is stored in "data->raw_info_block" and freed by "mxt_free_object_table" in case of error. Return instead of jumping to avoid a double free. Addresses-Coverity-ID: 1474582 ("Double free") Fixes: 068bdb67ef74 ("Input: atmel_mxt_ts - fix the firmware update") Signed-off-by: José Expósito Link: https://lore.kernel.org/r/20211212194257.68879-1-jose.exposito89@gmail.com Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov --- diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 05de92c0293bc..eb66cd2689b7c 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -1882,7 +1882,7 @@ static int mxt_read_info_block(struct mxt_data *data) if (error) { dev_err(&client->dev, "Error %d parsing object table\n", error); mxt_free_object_table(data); - goto err_free_mem; + return error; } data->object_table = (struct mxt_object *)(id_buf + MXT_OBJECT_START);