tree 4b4aee75364d6beafc9fd777d90d5ad82329bef5
parent 22a3b40dd9f76e068d1cbcb271aac87f9d4c1326
author Ratnam Rachuri <c_rrachu@qti.qualcomm.com> 1437119622 +0530
committer Satyanarayana Dash <sadash@codeaurora.org> 1437139464 +0530

wlan: Fix buffer overwrite problem in GETROAMMODE

If (len + 1) is greater than priv_data.total_len then copy_to_user
results in writing more data than the buffer can hold.
Fix this by writing mininum of (len + 1) and priv_data.total_len.

CRs-Fixed: 865595
Change-Id: I35e63ec28b6e704e5f8d9b0156de61c3183b5ee6