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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2019-06-25 11:10:07 +0900 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2019-06-25 11:44:19 +0900 |
| commit | d16c272844a81a3de094906698eb6256313b2bb5 (patch) | |
| tree | a6cafb8ea809b5d861a606f7888059571d773662 /src/shared/ethtool-util.c | |
| parent | ffba064ae4d178b95733aed7c795ad799ddec2c4 (diff) | |
| download | systemd-d16c272844a81a3de094906698eb6256313b2bb5.tar.gz | |
ethtool-util: fix returned value when ethtool_cmd_speed() is SPEED_UNKNOWN
Diffstat (limited to 'src/shared/ethtool-util.c')
| -rw-r--r-- | src/shared/ethtool-util.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/shared/ethtool-util.c b/src/shared/ethtool-util.c index b2a81e4215..49a2b3ad3d 100644 --- a/src/shared/ethtool-util.c +++ b/src/shared/ethtool-util.c @@ -186,8 +186,13 @@ int ethtool_get_link_info(int *fd, const char *ifname, if (ret_autonegotiation) *ret_autonegotiation = ecmd.autoneg; - if (ret_speed) - *ret_speed = ethtool_cmd_speed(&ecmd) * 1000 * 1000; + if (ret_speed) { + uint32_t speed; + + speed = ethtool_cmd_speed(&ecmd); + *ret_speed = speed == (uint32_t) SPEED_UNKNOWN ? + SIZE_MAX : (size_t) speed * 1000 * 1000; + } if (ret_duplex) *ret_duplex = ecmd.duplex; |