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| author | Tudor Ambarus <tudor.ambarus@microchip.com> | 2019-08-28 12:38:40 +0300 |
|---|---|---|
| committer | Tudor Ambarus <tudor.ambarus@microchip.com> | 2019-08-28 12:38:40 +0300 |
| commit | 1e05a7e6ebc4a5a5c53dce32e7e6d0ff5e7e08d1 (patch) | |
| tree | f7f6cb5a1ee2fe271e7f794970fa1a4722784ed3 /tools/lib/bpf/xsk.c | |
| parent | 913787ca40b9b5981bea1d1157cdd8cb23e12b54 (diff) | |
| parent | a55aa89aab90fae7c815b0551b07be37db359d76 (diff) | |
| download | linux-1e05a7e6ebc4a5a5c53dce32e7e6d0ff5e7e08d1.tar.xz | |
Merge tag 'v5.3-rc6' into spi-nor/next
Linux 5.3-rc6
Merge back latest release candidate, to include a fix that
we depend on for new development:
834de5c1aa76 ("mtd: spi-nor: Fix the disabling of write protection at init")
Diffstat (limited to 'tools/lib/bpf/xsk.c')
| -rw-r--r-- | tools/lib/bpf/xsk.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/tools/lib/bpf/xsk.c b/tools/lib/bpf/xsk.c index 5007b5d4fd2c..680e63066cf3 100644 --- a/tools/lib/bpf/xsk.c +++ b/tools/lib/bpf/xsk.c @@ -317,17 +317,16 @@ static int xsk_load_xdp_prog(struct xsk_socket *xsk) static int xsk_get_max_queues(struct xsk_socket *xsk) { - struct ethtool_channels channels; - struct ifreq ifr; + struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS }; + struct ifreq ifr = {}; int fd, err, ret; fd = socket(AF_INET, SOCK_DGRAM, 0); if (fd < 0) return -errno; - channels.cmd = ETHTOOL_GCHANNELS; ifr.ifr_data = (void *)&channels; - strncpy(ifr.ifr_name, xsk->ifname, IFNAMSIZ - 1); + memcpy(ifr.ifr_name, xsk->ifname, IFNAMSIZ - 1); ifr.ifr_name[IFNAMSIZ - 1] = '\0'; err = ioctl(fd, SIOCETHTOOL, &ifr); if (err && errno != EOPNOTSUPP) { @@ -335,7 +334,7 @@ static int xsk_get_max_queues(struct xsk_socket *xsk) goto out; } - if (channels.max_combined == 0 || errno == EOPNOTSUPP) + if (err || channels.max_combined == 0) /* If the device says it has no channels, then all traffic * is sent to a single stream, so max queues = 1. */ @@ -517,7 +516,7 @@ int xsk_socket__create(struct xsk_socket **xsk_ptr, const char *ifname, err = -errno; goto out_socket; } - strncpy(xsk->ifname, ifname, IFNAMSIZ - 1); + memcpy(xsk->ifname, ifname, IFNAMSIZ - 1); xsk->ifname[IFNAMSIZ - 1] = '\0'; err = xsk_set_xdp_socket_config(&xsk->config, usr_config); |