[media] c8sectpfe: fix memory leak

We have assigned memory while requesting the firmware but if the sanity
check fails then we are not releasing the firmware.
Signed-off-by: NSudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c

@@ -1161,6 +1161,7 @@ static int load_c8sectpfe_fw(struct c8sectpfei *fei)
 	if (err) {
 		dev_err(fei->dev, "c8sectpfe_elf_sanity_check failed err=(%d)\n"
 			, err);
+		release_firmware(fw);
 		return err;
 	}