Bluetooth: mediatek: Fix memory leak

In case memory resources for *fw* were allocated, release them before
return.

Addresses-Coverity-ID: 1472611 ("Resource leak")
Fixes: 7237c4c9ec ("Bluetooth: mediatek: Add protocol support for MediaTek serial devices")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Gustavo A. R. Silva 2018-08-14 10:10:31 -05:00 committed by Marcel Holtmann
parent 51474eff2b
commit addb3ffbca
1 changed files with 5 additions and 3 deletions

View File

@ -144,8 +144,10 @@ static int mtk_setup_fw(struct hci_dev *hdev)
fw_size = fw->size;
/* The size of patch header is 30 bytes, should be skip */
if (fw_size < 30)
return -EINVAL;
if (fw_size < 30) {
err = -EINVAL;
goto free_fw;
}
fw_size -= 30;
fw_ptr += 30;
@ -172,8 +174,8 @@ static int mtk_setup_fw(struct hci_dev *hdev)
fw_ptr += dlen;
}
free_fw:
release_firmware(fw);
return err;
}