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cfg80211: Use the correct IE buffer pointer

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If the IE buffer was allocated, the pub.information_elements pointer
was also changed to the allocated space. So we must not assume anymore
that the pointer points at the "found" tail.

So if it was allocated previously, take the codebranch that grows the
buffer size (if necessary) and put the data into the allocated buffer.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Michael Buesch 2009-04-26 11:27:33 +02:00 committed by John W. Linville
parent 273de92c84
commit 44e1b98f73
1 changed files with 1 additions and 1 deletions
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2
net/wireless/scan.c
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@ -377,7 +377,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
size_t used = dev->wiphy.bss_priv_size + sizeof(*res);
size_t ielen = res->pub.len_information_elements;
if (ksize(found) >= used + ielen) {
if (!found->ies_allocated && ksize(found) >= used + ielen) {
memcpy(found->pub.information_elements,
res->pub.information_elements, ielen);
found->pub.len_information_elements = ielen;