diff options
Diffstat (limited to 'drivers/infiniband/core/umem.c')
| -rw-r--r-- | drivers/infiniband/core/umem.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index d40652a80151..664d2faa9e74 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -40,6 +40,11 @@ #include "uverbs.h" +#define IB_UMEM_MAX_PAGE_CHUNK \ + ((PAGE_SIZE - offsetof(struct ib_umem_chunk, page_list)) / \ + ((void *) &((struct ib_umem_chunk *) 0)->page_list[1] - \ + (void *) &((struct ib_umem_chunk *) 0)->page_list[0])) + static void __ib_umem_release(struct ib_device *dev, struct ib_umem *umem, int dirty) { struct ib_umem_chunk *chunk, *tmp; @@ -121,6 +126,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr, cur_base = addr & PAGE_MASK; + ret = 0; while (npages) { ret = get_user_pages(current, current->mm, cur_base, min_t(int, npages, |