On Mon, Nov 11, 2013 at 04:08:10PM -0500, Steven Rostedt wrote: > > Jiri Olsa was writing a plugin for the cfg80211_tx_mlme_mgmt trace > event, and was not able to get the implemented function working. > The event's print fmt looks like: > > "netdev:%s(%d), ftype:0x%.2x", REC->name, REC->ifindex, > __le16_to_cpup((__le16 *)__get_dynamic_array(frame)) > > As there's no helper function for __le16_to_cpup(), Jiri was creating one > with a plugin. But unfortunately, it would not work even though he set > up the plugin correctly. > > The problem is that the function parameters do not handle the helper > function "__get_dynamic_array()", and that passes in a NULL pointer. > > Adding PRINT_DYNAMIC_ARRAY direct support to eval_num_arg() allows the > use of __get_dynamic_array() in function parameters. > > Reported-by: Jiri Olsa <[email protected]> > Signed-off-by: Steven Rostedt <[email protected]>
cool, thanks Tested-by: Jiri Olsa <[email protected]> jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
