diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/ziirave_wdt.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/watchdog/ziirave_wdt.c b/drivers/watchdog/ziirave_wdt.c index b2d5ff0c22fe..9d9c669b8b47 100644 --- a/drivers/watchdog/ziirave_wdt.c +++ b/drivers/watchdog/ziirave_wdt.c @@ -253,6 +253,13 @@ static int __ziirave_firm_write_pkt(struct watchdog_device *wdd, u8 i, checksum = 0, packet[ZIIRAVE_FIRM_PKT_TOTAL_SIZE]; int ret; + /* Check max data size */ + if (len > ZIIRAVE_FIRM_PKT_DATA_SIZE) { + dev_err(&client->dev, "Firmware packet too long (%d)\n", + len); + return -EMSGSIZE; + } + memset(packet, 0, ARRAY_SIZE(packet)); /* Packet length */ @@ -261,9 +268,6 @@ static int __ziirave_firm_write_pkt(struct watchdog_device *wdd, packet[1] = addr16 & 0xff; packet[2] = (addr16 & 0xff00) >> 8; - /* Packet data */ - if (len > ZIIRAVE_FIRM_PKT_DATA_SIZE) - return -EMSGSIZE; memcpy(packet + 3, data, len); /* Packet checksum */ @@ -382,13 +386,6 @@ static int ziirave_firm_upload(struct watchdog_device *wdd, if (!be16_to_cpu(rec->len)) break; - /* Check max data size */ - if (be16_to_cpu(rec->len) > ZIIRAVE_FIRM_PKT_DATA_SIZE) { - dev_err(&client->dev, "Firmware packet too long (%d)\n", - be16_to_cpu(rec->len)); - return -EMSGSIZE; - } - ret = ziirave_firm_write_pkt(wdd, be32_to_cpu(rec->addr), rec->data, be16_to_cpu(rec->len)); if (ret) |