From: David S. Miller Date: Mon, 19 Jul 2010 22:25:04 +0000 (-0700) Subject: ks8842: Fix ks8842_tx_frame() for 16bit case. X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e2df8b7f6665075f7fe93613897117743c7bf0ba;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git ks8842: Fix ks8842_tx_frame() for 16bit case. As reported by Andrew: drivers/net/ks8842.c: In function 'ks8842_handle_rx': drivers/net/ks8842.c:428: warning: 'status' may be used uninitialized in this function Just use the 32-bit status for all reads, and delete the useless cast to 'int' when reading a u16 into 'len'. Reported-by: Andrew Morton Signed-off-by: David S. Miller --- diff --git a/drivers/net/ks8842.c b/drivers/net/ks8842.c index ee69dea69be..634dad1c8b4 100644 --- a/drivers/net/ks8842.c +++ b/drivers/net/ks8842.c @@ -424,16 +424,14 @@ static int ks8842_tx_frame(struct sk_buff *skb, struct net_device *netdev) static void ks8842_rx_frame(struct net_device *netdev, struct ks8842_adapter *adapter) { - u16 status16; u32 status; int len; if (adapter->conf_flags & KS884X_16BIT) { - status16 = ks8842_read16(adapter, 17, REG_QMU_DATA_LO); - len = (int)ks8842_read16(adapter, 17, REG_QMU_DATA_HI); - len &= 0xffff; + status = ks8842_read16(adapter, 17, REG_QMU_DATA_LO); + len = ks8842_read16(adapter, 17, REG_QMU_DATA_HI); netdev_dbg(netdev, "%s - rx_data: status: %x\n", - __func__, status16); + __func__, status); } else { status = ks8842_read32(adapter, 17, REG_QMU_DATA_LO); len = (status >> 16) & 0x7ff;