On Wed, Oct 11, 2017 at 10:22:40AM +0300, Luca Coelho wrote: > From: Luca Coelho <luciano.coelho@xxxxxxxxx> > > commit 97bce57bd7f96e1218751996f549a6e61f18cc8c upstream. > > The MCAST_FILTER_CMD can get quite large when we have many mcast > addresses to set (we support up to 255). So the command should be > send as NOCOPY to prevent a warning caused by too-long commands: > > WARNING: CPU: 0 PID: 9700 at /root/iwlwifi/stack-dev/drivers/net/wireless/intel/iwlwifi/pcie/tx.c:1550 iwl_pcie_enqueue_hcmd+0x8c7/0xb40 [iwlwifi] > Command MCAST_FILTER_CMD (0x1d0) is too large (328 bytes) > > This fixes: https://bugzilla.kernel.org/show_bug.cgi?id=196743 > > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx> > --- > drivers/net/wireless/iwlwifi/mvm/mac80211.c | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) Thanks for the patch, now queued up. greg k-h