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-rw-r--r--drivers/infiniband/core/cache.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index 3b0991fedd81..d32045986109 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -1465,10 +1465,12 @@ err:
}
static int
-ib_cache_update(struct ib_device *device, u32 port, bool enforce_security)
+ib_cache_update(struct ib_device *device, u32 port, bool update_gids,
+ bool update_pkeys, bool enforce_security)
{
struct ib_port_attr *tprops = NULL;
- struct ib_pkey_cache *pkey_cache = NULL, *old_pkey_cache;
+ struct ib_pkey_cache *pkey_cache = NULL;
+ struct ib_pkey_cache *old_pkey_cache = NULL;
int i;
int ret;
@@ -1485,14 +1487,16 @@ ib_cache_update(struct ib_device *device, u32 port, bool enforce_security)
goto err;
}
- if (!rdma_protocol_roce(device, port)) {
+ if (!rdma_protocol_roce(device, port) && update_gids) {
ret = config_non_roce_gid_cache(device, port,
tprops->gid_tbl_len);
if (ret)
goto err;
}
- if (tprops->pkey_tbl_len) {
+ update_pkeys &= !!tprops->pkey_tbl_len;
+
+ if (update_pkeys) {
pkey_cache = kmalloc(struct_size(pkey_cache, table,
tprops->pkey_tbl_len),
GFP_KERNEL);
@@ -1517,9 +1521,10 @@ ib_cache_update(struct ib_device *device, u32 port, bool enforce_security)
write_lock_irq(&device->cache_lock);
- old_pkey_cache = device->port_data[port].cache.pkey;
-
- device->port_data[port].cache.pkey = pkey_cache;
+ if (update_pkeys) {
+ old_pkey_cache = device->port_data[port].cache.pkey;
+ device->port_data[port].cache.pkey = pkey_cache;
+ }
device->port_data[port].cache.lmc = tprops->lmc;
device->port_data[port].cache.port_state = tprops->state;
@@ -1551,6 +1556,8 @@ static void ib_cache_event_task(struct work_struct *_work)
* the cache.
*/
ret = ib_cache_update(work->event.device, work->event.element.port_num,
+ work->event.event == IB_EVENT_GID_CHANGE,
+ work->event.event == IB_EVENT_PKEY_CHANGE,
work->enforce_security);
/* GID event is notified already for individual GID entries by
@@ -1624,7 +1631,7 @@ int ib_cache_setup_one(struct ib_device *device)
return err;
rdma_for_each_port (device, p) {
- err = ib_cache_update(device, p, true);
+ err = ib_cache_update(device, p, true, true, true);
if (err)
return err;
}