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IB: Fix ib_umem_get() when npages == 0
[safe/jmp/linux-2.6]
/
drivers
/
infiniband
/
core
/
umem.c
diff --git
a/drivers/infiniband/core/umem.c
b/drivers/infiniband/core/umem.c
index
d40652a
..
26d0470
100644
(file)
--- 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,