On Mon, Nov 09, 2015 at 06:11:49PM +0200, Matan Barak wrote: > > > > Like Haggai mentioned in the other response, checkpatch issues error > > on this claiming that ENOSYS is reserved to unavailable system calls. > > Is it applicable only for new implementations I am not sure. I don't > > have clear preference for either ENOSYS or EINAVL. > > I think it could break old applications: > err = extended_verb(the_first_extension_we_added); > if (err == ENOSYS) > err = legacy_verb(); > if (err) > return err;
Can you send a pointer to the code where this could happen? > > Such applications used the first extension (that was added during the > addition of the extended verb) and when they realized it's not > supported, they dropped to the legacy verb. This change can now cause > the return of -EINVAL an early termination with an error. > -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html