diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2018-11-09 13:32:39 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2018-11-09 13:32:39 +0300 |
| commit | 2f98abb17dd57b9c3ebdf6741ae2726ed360d902 (patch) | |
| tree | 7ecaad64876b44456224fd6c2bf8942010d41341 /drivers/net/wireless/mac80211_hwsim.c | |
| parent | 3d1a5bbfafbc655c05bfe87cfec2816f0a981565 (diff) | |
| download | linux-2f98abb17dd57b9c3ebdf6741ae2726ed360d902.tar.xz | |
mac80211_hwsim: move HWSIM_ATTR_RADIO_NAME parsing last
Avoid the need to kfree() the name in many places by moving
the name parsing last.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/mac80211_hwsim.c')
| -rw-r--r-- | drivers/net/wireless/mac80211_hwsim.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index aa8058264d5b..05408345b03d 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -3321,15 +3321,6 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info) if (info->attrs[HWSIM_ATTR_NO_VIF]) param.no_vif = true; - if (info->attrs[HWSIM_ATTR_RADIO_NAME]) { - hwname = kasprintf(GFP_KERNEL, "%.*s", - nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]), - (char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME])); - if (!hwname) - return -ENOMEM; - param.hwname = hwname; - } - if (info->attrs[HWSIM_ATTR_USE_CHANCTX]) param.use_chanctx = true; else @@ -3342,10 +3333,8 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info) if (info->attrs[HWSIM_ATTR_REG_CUSTOM_REG]) { u32 idx = nla_get_u32(info->attrs[HWSIM_ATTR_REG_CUSTOM_REG]); - if (idx >= ARRAY_SIZE(hwsim_world_regdom_custom)) { - kfree(hwname); + if (idx >= ARRAY_SIZE(hwsim_world_regdom_custom)) return -EINVAL; - } idx = array_index_nospec(idx, ARRAY_SIZE(hwsim_world_regdom_custom)); @@ -3358,7 +3347,6 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info) GENL_SET_ERR_MSG(info,"MAC is no valid source addr"); NL_SET_BAD_ATTR(info->extack, info->attrs[HWSIM_ATTR_PERM_ADDR]); - kfree(hwname); return -EINVAL; } @@ -3366,6 +3354,15 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info) param.perm_addr = nla_data(info->attrs[HWSIM_ATTR_PERM_ADDR]); } + if (info->attrs[HWSIM_ATTR_RADIO_NAME]) { + hwname = kasprintf(GFP_KERNEL, "%.*s", + nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]), + (char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME])); + if (!hwname) + return -ENOMEM; + param.hwname = hwname; + } + ret = mac80211_hwsim_new_radio(info, ¶m); kfree(hwname); return ret; |