On Thu, Jun 8, 2017 at 2:50 AM, Jason A. Donenfeld <Jason@xxxxxxxxx> wrote: > On Thu, Jun 8, 2017 at 2:31 AM, Theodore Ts'o <tytso@xxxxxxx> wrote: >> I'm guessing you changed key_alloc_serial() to return an int back when >> you were thinking that you might use get_random_bytes_wait(), which >> could return -ERESTARTSYS. >> >> Now that you're not doing this, but using get_random_u32() instead, >> there's no point to change the function signature of >> key_alloc_serial() and add an error check in key_alloc() that will >> never fail, right? That's just adding a dead code path. Which the >> compiler can probably optimize away, but why make the code slightly >> harder to read than necessasry? > > Good catch, and thanks for reading these so thoroughly that you caught > the churn artifacts. Do you want me to clean this up and resubmit, or > are you planning on adjusting it in the dev branch? Fixed it up here if you just want to grab this instead: https://git.kernel.org/pub/scm/linux/kernel/git/zx2c4/linux.git/patch/?id=a0361e55bce30ace529ed8b28bd452e3ac0ee91f
