On Thu, 28 Oct 2021 21:17:38 -0600 Simon Glass <s...@chromium.org> wrote:
> Hi Marek, > > On Wed, 27 Oct 2021 at 21:28, Marek Behún <ka...@kernel.org> wrote: > > > > From: Marek Behún <marek.be...@nic.cz> > > > > The env_get_f() function returns -1 on failure. Returning 0 means that > > the variable exists, and is empty string. > > > > Signed-off-by: Marek Behún <marek.be...@nic.cz> > > --- > > env/common.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > Reviewed-by: Simon Glass <s...@chromium.org> > > But it isn't normally possible to set an env var to an empty string. > How does this happen? Hmm, I don't see code in cmd/nvedit.c's _do_env_set() that would prohibit empty string as value... Why isn't it possible?
