From: Amitoj Kaur Chawla <amitoj1...@gmail.com> Date: Wed, 10 Feb 2016 00:12:36 +0530
> This change has been made with the goal that kernel functions should > return something more descriptive than -1 on failure. > > A variable `err` has been introduced for storing error codes. > > The return value of kzalloc on failure should return a -1 and not a > -ENOMEM. This was found using Coccinelle. A simplified version of > the semantic patch used is: ... > Furthermore, set `err` to -ENOMEM on failure of alloc_netdev(), and to > -ENODEV on failure of register_netdev() and probe_irq_off(). > > The single call site only checks that the return value is not 0, > hence no change is required at the call site. > > Signed-off-by: Amitoj Kaur Chawla <amitoj1...@gmail.com> Applied to net-next, thanks.