>>> One function call less in vas_window_alloc() after error detection >> >> https://patchwork.ozlabs.org/project/linuxppc-dev/patch/1f1c21cf-c34c-418c-b00c-8e6474f12612@xxxxxx/ > > It introduced a new goto and label to avoid a kfree(NULL) call, but > kfree() explicitly accepts NULL and handles it. So it complicates the > source code for no gain. I proposed to avoid such a redundant function call for the affected exception handling. >>> Return directly after a failed kasprintf() in map_paste_region() >> >> https://patchwork.ozlabs.org/project/linuxppc-dev/patch/f46f04bc-613c-4e98-b602-4c5120556b09@xxxxxx/ > > Basically the same reasoning. And it also changes the function from > having two return paths (success and error), to three. See also a corresponding advice once more from the section “7) Centralized exiting of functions”: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/coding-style.rst?h=v6.9-rc4#n532 Regards, Markus