[media] as102: fix potential double free in as102_fw_upload()

In case the request to locate the firmware file part 2 fails, the error
path releases the already freed firmware memory location again. Thus
reset the firmware pointer to NULL after releasing firmware file part 1.

Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/media/usb/as102/as102_fw.c b/drivers/media/usb/as102/as102_fw.c
index 07d08c49f4d4..5a28ce3a1d49 100644
--- a/drivers/media/usb/as102/as102_fw.c
+++ b/drivers/media/usb/as102/as102_fw.c
@@ -198,6 +198,7 @@ int as102_fw_upload(struct as10x_bus_adapter_t *bus_adap)
         pr_info("%s: firmware: %s loaded with success\n",
                 DRIVER_NAME, fw1);
         release_firmware(firmware);
+        firmware = NULL;
 
         /* wait for boot to complete */
         mdelay(100);