On 07/02/2019 04:45 AM, Cornelia Huck wrote:
On Mon, 1 Jul 2019 12:23:45 -0400
Farhan Ali <alifm@xxxxxxxxxxxxx> wrote:
So we clean up correctly.
Signed-off-by: Farhan Ali <alifm@xxxxxxxxxxxxx>
---
drivers/s390/cio/vfio_ccw_cp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c
index cab1be9..c5655de 100644
--- a/drivers/s390/cio/vfio_ccw_cp.c
+++ b/drivers/s390/cio/vfio_ccw_cp.c
@@ -72,8 +72,10 @@ static int pfn_array_alloc(struct pfn_array *pa, u64 iova, unsigned int len)
sizeof(*pa->pa_iova_pfn) +
sizeof(*pa->pa_pfn),
GFP_KERNEL);
- if (unlikely(!pa->pa_iova_pfn))
+ if (unlikely(!pa->pa_iova_pfn)) {
+ pa->pa_nr = 0;
return -ENOMEM;
+ }
pa->pa_pfn = pa->pa_iova_pfn + pa->pa_nr;
pa->pa_iova_pfn[0] = pa->pa_iova >> PAGE_SHIFT;
This looks like an older error -- can you give a Fixes: tag? (Yeah, I
know I sound like a broken record wrt that tag... :)
Yes, this is an older error. And yup I will add a fixes tag :)