On Thu, Jan 01, 2015 at 12:01:49AM +0000, Al Viro wrote:
> Umm... How about just adding a function that would be used instead of
> all those
> struct filename filename = { .name = name };
> and created an object that would be destroyed later by putname()?
... such as getname_kernel(), actually. There are 5 places like that:
fs/exec.c:open_exec(), fs/namei.c:do_path_lookup(),
fs/namei.c:kern_path_mountpoint(), fs/namei.c:do_file_open_root(),
fs/open.c:filp_open(). Said that, I'm not sure that no call chains
allow names just under PATH_MAX, so getname_kernel() might need to be
taught to handle those.
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