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2019년 9월 11일 (수) 오후 10:12, Marek Behun <marek.be...@nic.cz>님이 작성: > > Hi Austin, > this was already fixed and is staged for soc/for-next, see > https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git/commit/?h=for-next&id=6811d26df50d96635dd339cf8cdf43a6abc0c4b6 > > Thanks, > Marek > > On Wed, 11 Sep 2019 14:59:38 +0900 > Austin Kim <austindh....@gmail.com> wrote: > > > The simple_write_to_buffer() returns ssize_t type value, > > which is either positive or negative. > > > > However 'res' is declared as size_t(unsigned int) > > which contains non-negative type. > > > > So 'res < 0' statement is always false, > > this cannot execute execptional-case handling. > > > > To prevent this case, > > update proper type 'size_t' to 'ssize_t' for execptional handling. > > > > Signed-off-by: Austin Kim <austindh....@gmail.com> > > --- > > drivers/bus/moxtet.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/bus/moxtet.c b/drivers/bus/moxtet.c > > index 1ee4570..288a9e4 100644 > > --- a/drivers/bus/moxtet.c > > +++ b/drivers/bus/moxtet.c > > @@ -514,7 +514,7 @@ static ssize_t output_write(struct file *file, const > > char __user *buf, > > struct moxtet *moxtet = file->private_data; > > u8 bin[TURRIS_MOX_MAX_MODULES]; > > u8 hex[sizeof(bin) * 2 + 1]; > > - size_t res; > > + ssize_t res; > > loff_t dummy = 0; > > int err, i; > > >
