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authorJohannes Berg <johannes.berg@intel.com>2018-11-09 11:32:39 +0100
committerJohannes Berg <johannes.berg@intel.com>2018-11-09 11:32:39 +0100
commit2f98abb17dd57b9c3ebdf6741ae2726ed360d902 (patch)
tree7ecaad64876b44456224fd6c2bf8942010d41341 /drivers/net/wireless
parent3d1a5bbfafbc655c05bfe87cfec2816f0a981565 (diff)
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')
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c23
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, &param);
kfree(hwname);
return ret;