From: Vladislav Yasevich <vladislav.yasevich@xxxxxx> Date: Wed, 04 Apr 2012 09:52:04 -0400 > On 04/04/2012 04:17 AM, Thomas Graf wrote: >> getsockopt(..., SCTP_EVENTS, ...) performs a length check and returns >> an error if the user provides less bytes than the size of struct >> sctp_event_subscribe. >> >> Struct sctp_event_subscribe needs to be extended by an u8 for every >> new event or notification type that is added. >> >> This obviously makes getsockopt fail for binaries that are compiled >> against an older versions of <net/sctp/user.h> which do not contain >> all event types. >> >> This patch changes getsockopt behaviour to no longer return an error >> if not enough bytes are being provided by the user. Instead, it >> returns as much of sctp_event_subscribe as fits into the provided buffer. >> >> This leads to the new behavior that users see what they have been aware >> of at compile time. >> >> The setsockopt(..., SCTP_EVENTS, ...) API is already behaving like this. >> >> Signed-off-by: Thomas Graf <tgraf@xxxxxxx> > > Acked-by: Vlad Yasevich <vladislav.yasevich@xxxxxx> Applied, but I had to fix the Subject to read "sctp: " not "scpt: " :-) -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
