diff options
| -rw-r--r-- | drivers/input/touchscreen/synaptics_dsx/synaptics_dsx_fw_update.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/synaptics_dsx/synaptics_dsx_fw_update.c b/drivers/input/touchscreen/synaptics_dsx/synaptics_dsx_fw_update.c index 4787f2bcd768..13680130c2de 100644 --- a/drivers/input/touchscreen/synaptics_dsx/synaptics_dsx_fw_update.c +++ b/drivers/input/touchscreen/synaptics_dsx/synaptics_dsx_fw_update.c @@ -681,10 +681,12 @@ static enum flash_area fwu_go_nogo(struct image_header_data *header) goto exit; } - while (strptr[index] >= '0' && strptr[index] <= '9') { + while ((index < MAX_FIRMWARE_ID_LEN - 1) && strptr[index] >= '0' + && strptr[index] <= '9') { firmware_id[index] = strptr[index]; index++; } + firmware_id[index] = '\0'; retval = sstrtoul(firmware_id, 10, &image_fw_id); kfree(firmware_id); |