From: Bongsu Jeon <bongsu.j...@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.j...@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k...@kernel.org>
Link: https://lore.kernel.org/r/20201213095850.28169-1-bongsu.j...@samsung.com
Signed-off-by: Jakub Kicinski <k...@kernel.org>
Signed-off-by: Sasha Levin <sas...@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';
--
2.27.0
