udev: link-config - fix corruption
The parser used for MTU and Speed expects them to be size_t, not unsigned int. This caused a corruption in the rest of the structure. Reported by David O Neill <david.m.oneill@intel.com>.
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@ -174,6 +174,9 @@ static int load_link(link_config_ctx *ctx, const char *filename) {
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else
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log_debug("Parsed configuration file %s", filename);
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if (link->mtu > UINT_MAX || link->speed > UINT_MAX)
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return -ERANGE;
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link->filename = strdup(filename);
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LIST_PREPEND(links, ctx->links, link);
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@ -376,10 +379,9 @@ int link_config_apply(link_config_ctx *ctx, link_config *config,
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if (!old_name)
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return -EINVAL;
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r = ethtool_set_speed(&ctx->ethtool_fd, old_name, config->speed / 1024,
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config->duplex);
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r = ethtool_set_speed(&ctx->ethtool_fd, old_name, config->speed / 1024, config->duplex);
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if (r < 0)
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log_warning_errno(r, "Could not set speed or duplex of %s to %u Mbps (%s): %m",
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log_warning_errno(r, "Could not set speed or duplex of %s to %zu Mbps (%s): %m",
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old_name, config->speed / 1024,
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duplex_to_string(config->duplex));
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@ -458,8 +460,7 @@ int link_config_apply(link_config_ctx *ctx, link_config *config,
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mac = config->mac;
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}
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r = rtnl_set_link_properties(&ctx->rtnl, ifindex, config->alias, mac,
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config->mtu);
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r = rtnl_set_link_properties(&ctx->rtnl, ifindex, config->alias, mac, config->mtu);
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if (r < 0)
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return log_warning_errno(r, "Could not set Alias, MACAddress or MTU on %s: %m", old_name);
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@ -66,8 +66,8 @@ struct link_config {
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NamePolicy *name_policy;
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char *name;
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char *alias;
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unsigned int mtu;
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unsigned int speed;
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size_t mtu;
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size_t speed;
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Duplex duplex;
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WakeOnLan wol;
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