The pci_get_drvdata() and checking NULL for dev are called twice in while loop in is_bypass_dev().
Signed-off-by: Daeseok Youn <daeseok.y...@gmail.com> --- This patch has an warning from checkpatch.pl. checkpatch.pl warning: WARNING: Too many leading tabs - consider code refactoring drivers/staging/silicom/bypasslib/bypass.c | 51 ++++++++++++--------------- 1 files changed, 23 insertions(+), 28 deletions(-) diff --git a/drivers/staging/silicom/bypasslib/bypass.c b/drivers/staging/silicom/bypasslib/bypass.c index 09e00da..a58251f 100644 --- a/drivers/staging/silicom/bypasslib/bypass.c +++ b/drivers/staging/silicom/bypasslib/bypass.c @@ -149,38 +149,33 @@ static int is_bypass_dev(int if_index) while ((pdev = pci_get_class(PCI_CLASS_NETWORK_ETHERNET << 8, pdev))) { dev = pci_get_drvdata(pdev); - if (dev != NULL) { - dev = pci_get_drvdata(pdev); - if ((dev != NULL) && (dev->ifindex == if_index)) { - if ((pdev->vendor == SILICOM_VID) && - (pdev->device >= SILICOM_BP_PID_MIN) && - (pdev->device <= SILICOM_BP_PID_MAX)) { - goto send_cmd; - } + if ((dev != NULL) && (dev->ifindex == if_index)) { + if ((pdev->vendor == SILICOM_VID) && + (pdev->device >= SILICOM_BP_PID_MIN) && + (pdev->device <= SILICOM_BP_PID_MAX)) { + goto send_cmd; + } #if defined(BP_VENDOR_SUPPORT) && defined(ETHTOOL_GDRVINFO) - else { - struct ethtool_drvinfo info; - const struct ethtool_ops *ops = - dev->ethtool_ops; - int k = 0; - - if (ops->get_drvinfo) { - memset(&info, 0, sizeof(info)); - info.cmd = ETHTOOL_GDRVINFO; - ops->get_drvinfo(dev, &info); - for (; bp_desc_array[k]; k++) - if (! - (strcmp - (bp_desc_array[k], - info.driver))) - goto send_cmd; - - } + else { + struct ethtool_drvinfo info; + const struct ethtool_ops *ops = + dev->ethtool_ops; + int k = 0; + + if (ops->get_drvinfo) { + memset(&info, 0, sizeof(info)); + info.cmd = ETHTOOL_GDRVINFO; + ops->get_drvinfo(dev, &info); + for (; bp_desc_array[k]; k++) + if (!(strcmp(bp_desc_array[k], + info.driver))) + goto send_cmd; } -#endif - return -1; + } +#endif + return -1; } } send_cmd: -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/