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authorGeorge Spelvin <lkml@sdf.org>2019-03-27 19:55:00 +0300
committerJason Gunthorpe <jgg@mellanox.com>2020-03-29 17:15:16 +0300
commit3e87f4313035c86999281336582ff554e9a17bef (patch)
tree014d99556d7ce1681895184a71dad98b37f55d4b /drivers/infiniband
parentd35dc58dd26e2aef5dd7ed1929179c9974f8bb97 (diff)
downloadlinux-3e87f4313035c86999281336582ff554e9a17bef.tar.xz
IB/qib: Delete struct qib_ivdev.qp_rnd
I was checking the field to see if it needed the full get_random_bytes() and discovered it's unused. Only compile-tested, as I don't have the hardware, but I'm still pretty confident. Link: https://lore.kernel.org/r/202003281643.02SGh6eG002694@sdf.org Signed-off-by: George Spelvin <lkml@sdf.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/qib/qib_verbs.c2
-rw-r--r--drivers/infiniband/hw/qib/qib_verbs.h1
2 files changed, 0 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index 5ef93f8f17a1..7508abb6a0fa 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -39,7 +39,6 @@
#include <linux/utsname.h>
#include <linux/rculist.h>
#include <linux/mm.h>
-#include <linux/random.h>
#include <linux/vmalloc.h>
#include <rdma/rdma_vt.h>
@@ -1503,7 +1502,6 @@ int qib_register_ib_device(struct qib_devdata *dd)
unsigned i, ctxt;
int ret;
- get_random_bytes(&dev->qp_rnd, sizeof(dev->qp_rnd));
for (i = 0; i < dd->num_pports; i++)
init_ibport(ppd + i);
diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h
index 8bf414b47b96..dc0e81f3b6f4 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.h
+++ b/drivers/infiniband/hw/qib/qib_verbs.h
@@ -177,7 +177,6 @@ struct qib_ibdev {
struct timer_list mem_timer;
struct qib_pio_header *pio_hdrs;
dma_addr_t pio_hdrs_phys;
- u32 qp_rnd; /* random bytes for hash */
u32 n_piowait;
u32 n_txwait;