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cfg80211: fix memory leak of new_ie

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new_ie is used as a temporary storage for the generation of
the new elements. However, after copying from it the memory
wasn't freed and leaked. Free it.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Sara Sharon 2019-01-30 08:48:21 +02:00 committed by Johannes Berg
parent c17fe043a3
commit bede8d2996
1 changed files with 5 additions and 4 deletions
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9
net/wireless/scan.c
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@ -1576,10 +1576,8 @@ cfg80211_update_notlisted_nontrans(struct wiphy *wiphy,
if (!new_ie)
return;
new_ies = kzalloc(sizeof(*new_ies) + new_ie_len, gfp);
if (!new_ies) {
kfree(new_ie);
return;
}
if (!new_ies)
goto out_free;
pos = new_ie;
@ -1613,6 +1611,9 @@ cfg80211_update_notlisted_nontrans(struct wiphy *wiphy,
if (old)
kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);
}
out_free:
kfree(new_ie);
}
/* cfg80211_inform_bss_width_frame helper */