tree 8312cd3fe677ba3eb1cc8223eb71dafb2bffe5a5
parent c7ed0e683ddbfb9349b6c25dbca3e1c8d76f5b87
author Sami Tolvanen <samitolvanen@google.com> 1605646742 -0800
committer Johannes Berg <johannes.berg@intel.com> 1607687427 +0100

cfg80211: fix callback type mismatches in wext-compat

Instead of casting callback functions to type iw_handler, which trips
indirect call checking with Clang's Control-Flow Integrity (CFI), add
stub functions with the correct function type for the callbacks.

Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20201117205902.405316-1-samitolvanen@google.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>