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...add a cast here, and it doesn't cause any problems. gnttab_grant_foreign_access() can return a variety of errors including -ENOSPC, -ENOSYS and -ENOMEM. Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com> diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c index 23c60cf..e1c4c6e 100644 --- a/drivers/xen/gntalloc.c +++ b/drivers/xen/gntalloc.c @@ -135,7 +135,7 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op, /* Grant foreign access to the page. */ gref->gref_id = gnttab_grant_foreign_access(op->domid, pfn_to_mfn(page_to_pfn(gref->page)), rea...

...add a cast here, and it doesn't cause any problems. gnttab_grant_foreign_access() can return a variety of errors including -ENOSPC, -ENOSYS and -ENOMEM. Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com> diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c index 23c60cf..e1c4c6e 100644 --- a/drivers/xen/gntalloc.c +++ b/drivers/xen/gntalloc.c @@ -135,7 +135,7 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op, /* Grant foreign access to the page. */ gref->gref_id = gnttab_grant_foreign_access(op->domid, pfn_to_mfn(page_to_pfn(gref->page)), rea...

...add a cast here, and it doesn't cause any problems. gnttab_grant_foreign_access() can return a variety of errors including -ENOSPC, -ENOSYS and -ENOMEM. Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com> diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c index 23c60cf..e1c4c6e 100644 --- a/drivers/xen/gntalloc.c +++ b/drivers/xen/gntalloc.c @@ -135,7 +135,7 @@ static int add_grefs(struct ioctl_gntalloc_alloc_gref *op, /* Grant foreign access to the page. */ gref->gref_id = gnttab_grant_foreign_access(op->domid, pfn_to_mfn(page_to_pfn(gref->page)), rea...