From 1d3f4b905a786d69103d9e6d8e92683fb2c7a027 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Fri, 8 Jun 2007 16:29:43 -0700 Subject: [PATCH] IB: Fix ib_umem_get() when npages == 0 gcc correctly warned: drivers/infiniband/core/umem.c: In function 'ib_umem_get': drivers/infiniband/core/umem.c:78: warning: 'ret' may be used uninitialized in this function Set ret to 0 in case npages == 0 and the loop isn't entered at all. Signed-off-by: Andrew Morton Signed-off-by: Roland Dreier --- drivers/infiniband/core/umem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index d40652a80151..26d0470eef6e 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -121,6 +121,7 @@ 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, -- 2.34.1