From 3fb54d7590a4a4d4cf99279c5c228bea788b9628 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Fri, 17 Jun 2016 10:46:58 +0200 Subject: [PATCH] staging: ks7010: bail out when registering netdevice fails There is no need to continue then. Also, this enables us to remove an ugly static variable. Signed-off-by: Wolfram Sang Signed-off-by: Greg Kroah-Hartman --- drivers/staging/ks7010/ks7010_sdio.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c index 16b9d76..c3035b8 100644 --- a/drivers/staging/ks7010/ks7010_sdio.c +++ b/drivers/staging/ks7010/ks7010_sdio.c @@ -25,8 +25,6 @@ #define KS7010_IO_BLOCK_SIZE 512 #define KS7010_MAX_CLOCK 25000000 -static int reg_net = 0; - static const struct sdio_device_id ks7010_sdio_ids[] = { {SDIO_DEVICE(SDIO_VENDOR_ID_KS_CODE_A, SDIO_DEVICE_ID_KS_7010)}, {SDIO_DEVICE(SDIO_VENDOR_ID_KS_CODE_B, SDIO_DEVICE_ID_KS_7010)}, @@ -936,8 +934,6 @@ static void ks7010_card_init(struct ks_wlan_private *priv) if (priv->dev_state >= DEVICE_STATE_PREINIT) { DPRINTK(1, "DEVICE READY!!\n"); priv->dev_state = DEVICE_STATE_READY; - reg_net = register_netdev(priv->net_dev); - DPRINTK(3, "register_netdev=%d\n", reg_net); } else { DPRINTK(1, "dev_state=%d\n", priv->dev_state); } @@ -1115,6 +1111,10 @@ static int ks7010_sdio_probe(struct sdio_func *func, INIT_DELAYED_WORK(&priv->ks_wlan_hw.rw_wq, ks7010_rw_function); ks7010_card_init(priv); + ret = register_netdev(priv->net_dev); + if (ret) + goto error_free_read_buf; + return 0; error_free_read_buf: @@ -1196,9 +1196,7 @@ static void ks7010_sdio_remove(struct sdio_func *func) hostif_exit(priv); DPRINTK(1, "hostif_exit\n"); - if (!reg_net) - unregister_netdev(netdev); - DPRINTK(1, "unregister_netdev\n"); + unregister_netdev(netdev); trx_device_exit(priv); if (priv->ks_wlan_hw.read_buf) { -- 2.7.4