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authorMichael Buesch <mb@bu3sch.de>2009-04-26 11:27:33 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-05-06 15:14:44 -0400
commit44e1b98f733e48bb781e4229120e1de5e0c9fdbb (patch)
treeea78354841cd6c6ea74e9005343b1119eca6f7be /net/wireless
parent273de92c8461776aaac7b32f8d5889a72b38ea10 (diff)
downloadop-kernel-dev-44e1b98f733e48bb781e4229120e1de5e0c9fdbb.zip
op-kernel-dev-44e1b98f733e48bb781e4229120e1de5e0c9fdbb.tar.gz
cfg80211: Use the correct IE buffer pointer
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>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/scan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 5dd909a..10b4887 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -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;
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