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IB/qib: fix mcast detach when qp not attached
[pandora-kernel.git]
/
drivers
/
infiniband
/
hw
/
qib
/
qib_user_sdma.c
diff --git
a/drivers/infiniband/hw/qib/qib_user_sdma.c
b/drivers/infiniband/hw/qib/qib_user_sdma.c
index
8244208
..
573b460
100644
(file)
--- a/
drivers/infiniband/hw/qib/qib_user_sdma.c
+++ b/
drivers/infiniband/hw/qib/qib_user_sdma.c
@@
-284,8
+284,7
@@
static int qib_user_sdma_pin_pages(const struct qib_devdata *dd,
int j;
int ret;
int j;
int ret;
- ret = get_user_pages(current, current->mm, addr,
- npages, 0, 1, pages, NULL);
+ ret = get_user_pages_fast(addr, npages, 0, pages);
if (ret != npages) {
int i;
if (ret != npages) {
int i;
@@
-830,10
+829,7
@@
int qib_user_sdma_writev(struct qib_ctxtdata *rcd,
while (dim) {
const int mxp = 8;
while (dim) {
const int mxp = 8;
- down_write(¤t->mm->mmap_sem);
ret = qib_user_sdma_queue_pkts(dd, pq, &list, iov, dim, mxp);
ret = qib_user_sdma_queue_pkts(dd, pq, &list, iov, dim, mxp);
- up_write(¤t->mm->mmap_sem);
-
if (ret <= 0)
goto done_unlock;
else {
if (ret <= 0)
goto done_unlock;
else {