Re: bonding: Delete an error message for a failed memory allocation in bond_update_slave_arr()

Eric Dumazet
2018-01-03T21:58:42Z

On Wed, 2018-01-03 at 11:28 -0800, Mahesh Bandewar (महेश बंडेवार)
wrote:
> On Wed, Jan 3, 2018 at 12:45 AM, SF Markus Elfring
> <elfring@users.sourceforge.net> wrote:
> > > > Omit an extra message for a memory allocation failure in this function.
> > > >
> > > > This issue was detected by using the Coccinelle software.
> > > >
> > >
> > > What is the issue with this message?
> >
> > * Is it redundant?
> >
> > * Would a Linux allocation failure report be already sufficient here?
> >
>
> If you see 8 out of 9 call sites in this file ignore the return value.
> This message in the log could give a clue when debugging. Unless it's
> spamming it's not harmful, or is it?

A failed kzalloc() would already give a complete stack trace.

Really the pr_err() adds no value here.