From: Bongsu Jeon bongsu.jeon@samsung.com
[ Upstream commit a4485baefa1efa596702ebffd5a9c760d42b14b5 ]
add the code to release the nfc firmware when the firmware image size is wrong.
Fixes: c04c674fadeb ("nfc: s3fwrn5: Add driver for Samsung S3FWRN5 NFC Chip") Signed-off-by: Bongsu Jeon bongsu.jeon@samsung.com Reviewed-by: Krzysztof Kozlowski krzk@kernel.org Link: https://lore.kernel.org/r/20201213095850.28169-1-bongsu.jeon@samsung.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/nfc/s3fwrn5/firmware.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c index 64a90252c57f2..b387845d3c72a 100644 --- a/drivers/nfc/s3fwrn5/firmware.c +++ b/drivers/nfc/s3fwrn5/firmware.c @@ -304,8 +304,10 @@ static int s3fwrn5_fw_request_firmware(struct s3fwrn5_fw_info *fw_info) if (ret < 0) return ret;
- if (fw->fw->size < S3FWRN5_FW_IMAGE_HEADER_SIZE) + if (fw->fw->size < S3FWRN5_FW_IMAGE_HEADER_SIZE) { + release_firmware(fw->fw); return -EINVAL; + }
memcpy(fw->date, fw->fw->data + 0x00, 12); fw->date[12] = '\0';