#include #include #include #include #include #include "link.h" #include "sock.h" #include "str.h" u32 wireless_bitrate(const char *ifname) { int sock, ret, rate_in_mbit; struct iwreq iwr; sock = af_socket(AF_INET); memset(&iwr, 0, sizeof(iwr)); strlcpy(iwr.ifr_name, ifname, IFNAMSIZ); ret = ioctl(sock, SIOCGIWRATE, &iwr); if (!ret) rate_in_mbit = iwr.u.bitrate.value / 1000000; else rate_in_mbit = 0; close(sock); return rate_in_mbit; } int wireless_sigqual(const char *ifname, struct iw_statistics *stats) { int ret, sock; struct iwreq iwr; sock = af_socket(AF_INET); memset(&iwr, 0, sizeof(iwr)); strlcpy(iwr.ifr_name, ifname, IFNAMSIZ); iwr.u.data.pointer = (caddr_t) stats; iwr.u.data.length = sizeof(*stats); iwr.u.data.flags = 1; ret = ioctl(sock, SIOCGIWSTATS, &iwr); close(sock); return ret; } int wireless_rangemax_sigqual(const char *ifname) { int ret, sock, sigqual; struct iwreq iwr; struct iw_range iwrange; sock = af_socket(AF_INET); memset(&iwrange, 0, sizeof(iwrange)); memset(&iwr, 0, sizeof(iwr)); strlcpy(iwr.ifr_name, ifname, IFNAMSIZ); iwr.u.data.pointer = (caddr_t) &iwrange; iwr.u.data.length = sizeof(iwrange); iwr.u.data.flags = 0; ret = ioctl(sock, SIOCGIWRANGE, &iwr); if (!ret) sigqual = iwrange.max_qual.qual; else sigqual = 0; close(sock); return sigqual; } u32 ethtool_bitrate(const char *ifname) { int ret, sock, bitrate; struct ifreq ifr; struct ethtool_cmd ecmd; sock = af_socket(AF_INET); memset(&ecmd, 0, sizeof(ecmd)); memset(&ifr, 0, sizeof(ifr)); strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); ecmd.cmd = ETHTOOL_GSET; ifr.ifr_data = (char *) &ecmd; ret = ioctl(sock, SIOCETHTOOL, &ifr); if (ret) { bitrate = 0; goto out; } bitrate = ethtool_cmd_speed(&ecmd); if (bitrate == SPEED_UNKNOWN) bitrate = 0; out: close(sock); return bitrate; } int ethtool_link(const char *ifname) { int ret, sock; struct ifreq ifr; struct ethtool_value ecmd; sock = af_socket(AF_INET); memset(&ecmd, 0, sizeof(ecmd)); memset(&ifr, 0, sizeof(ifr)); strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); ecmd.cmd = ETHTOOL_GLINK; ifr.ifr_data = (char *) &ecmd; ret = ioctl(sock, SIOCETHTOOL, &ifr); if (ret) ret = -EINVAL; else ret = !!ecmd.data; close(sock); return ret; } int ethtool_drvinf(const char *ifname, struct ethtool_drvinfo *drvinf) { int ret, sock; struct ifreq ifr; sock = af_socket(AF_INET); memset(drvinf, 0, sizeof(*drvinf)); memset(&ifr, 0, sizeof(ifr)); strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); drvinf->cmd = ETHTOOL_GDRVINFO; ifr.ifr_data = (char *) drvinf; ret = ioctl(sock, SIOCETHTOOL, &ifr); close(sock); return ret; } root/drivers/usb/wusbcore
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authorStanislaw Gruszka <sgruszka@redhat.com>2017-01-29 12:40:52 +0100
committerKalle Valo <kvalo@codeaurora.org>2017-01-31 09:08:52 +0200
commit33e962c8871f015f5c8978384553dddcf5b81b22 (patch)
tree43aff96c2ee21d9e0fa2018457778a4de52053cd /drivers/usb/wusbcore
parent575ddce0507789bf9830d089557d2199d2f91865 (diff)
rt2x00: fix clk_get call
clk_get() takes two arguments and might return ERR_PTR(), so we have to nullify pointer on that case, to do not break further call to clk_get_rate(). Reported-by: Felix Fietkau <nbd@nbd.name> Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices") Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/usb/wusbcore')