On Thu, Oct 28, 2021 at 10:41:38AM +0000, cgel.zte@xxxxxxxxx wrote: > From: Lv Ruyi <lv.ruyi@xxxxxxxxxx> > > This patch fixes the following Coccinelle warning: > drivers/hv/ring_buffer.c:223: alloc with no test > > Reported-by: Zeal Robot <zealci@xxxxxxxxxx> > Signed-off-by: Lv Ruyi <lv.ruyi@xxxxxxxxxx> > --- > drivers/hv/ring_buffer.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c > index 931802ae985c..4ef5c3771079 100644 > --- a/drivers/hv/ring_buffer.c > +++ b/drivers/hv/ring_buffer.c > @@ -223,6 +223,8 @@ int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info, > pages_wraparound = kcalloc(page_cnt * 2 - 1, > sizeof(struct page *), > GFP_KERNEL); > + if (!pages_wraparound) > + return -ENOMEM; > (CC Tianyu) This hunk appears to have been mistakenly deleted by Tianyu's IVM patch set. Thanks for noticing this. Applied to hyperv-next. No "fixes@ tag needed here. Wei. > pages_wraparound[0] = pages; > for (i = 0; i < 2 * (page_cnt - 1); i++) > -- > 2.25.1 >
