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authorIngo Molnar <mingo@kernel.org>2015-10-07 11:24:24 +0200
committerIngo Molnar <mingo@kernel.org>2015-10-07 11:24:24 +0200
commit25a9a924c0c8723ced99179eb639e8c5372a2557 (patch)
tree83170168d50b9703486327b5b3a0bfb1d8da9b2b /drivers/infiniband/ulp/iser/iser_verbs.c
parent0b101e62afe626ecae60173f92f1e0ec72151653 (diff)
parenta0eeb8dd34f21fddfe85b37832b5f3d02ee6e34b (diff)
downloadblackbird-op-linux-25a9a924c0c8723ced99179eb639e8c5372a2557.tar.gz
blackbird-op-linux-25a9a924c0c8723ced99179eb639e8c5372a2557.zip
Merge branch 'linus' into x86/asm, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/infiniband/ulp/iser/iser_verbs.c')
-rw-r--r--drivers/infiniband/ulp/iser/iser_verbs.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index ae70cc1463ac..85132d867bc8 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -133,11 +133,15 @@ static int iser_create_device_ib_res(struct iser_device *device)
(unsigned long)comp);
}
- device->mr = ib_get_dma_mr(device->pd, IB_ACCESS_LOCAL_WRITE |
- IB_ACCESS_REMOTE_WRITE |
- IB_ACCESS_REMOTE_READ);
- if (IS_ERR(device->mr))
- goto dma_mr_err;
+ if (!iser_always_reg) {
+ int access = IB_ACCESS_LOCAL_WRITE |
+ IB_ACCESS_REMOTE_WRITE |
+ IB_ACCESS_REMOTE_READ;
+
+ device->mr = ib_get_dma_mr(device->pd, access);
+ if (IS_ERR(device->mr))
+ goto dma_mr_err;
+ }
INIT_IB_EVENT_HANDLER(&device->event_handler, device->ib_device,
iser_event_handler);
@@ -147,7 +151,8 @@ static int iser_create_device_ib_res(struct iser_device *device)
return 0;
handler_err:
- ib_dereg_mr(device->mr);
+ if (device->mr)
+ ib_dereg_mr(device->mr);
dma_mr_err:
for (i = 0; i < device->comps_used; i++)
tasklet_kill(&device->comps[i].tasklet);
@@ -173,7 +178,6 @@ comps_err:
static void iser_free_device_ib_res(struct iser_device *device)
{
int i;
- BUG_ON(device->mr == NULL);
for (i = 0; i < device->comps_used; i++) {
struct iser_comp *comp = &device->comps[i];
@@ -184,7 +188,8 @@ static void iser_free_device_ib_res(struct iser_device *device)
}
(void)ib_unregister_event_handler(&device->event_handler);
- (void)ib_dereg_mr(device->mr);
+ if (device->mr)
+ (void)ib_dereg_mr(device->mr);
ib_dealloc_pd(device->pd);
kfree(device->comps);
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