Author: np
Date: Wed May 24 19:19:02 2017
New Revision: 318802
URL: https://svnweb.freebsd.org/changeset/base/318802
Log:
MFC r314131:
Avoid NULL dereference in a couple of sysctl handlers in ibcore.
iw_cxgbe sets ib_device->dma_device to NULL (since r311880).
Sponsored by: Chelsio Communications
Modified:
stable/10/sys/ofed/drivers/infiniband/core/uverbs_main.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/ofed/drivers/infiniband/core/uverbs_main.c
==============================================================================
--- stable/10/sys/ofed/drivers/infiniband/core/uverbs_main.c Wed May 24
19:18:36 2017 (r318801)
+++ stable/10/sys/ofed/drivers/infiniband/core/uverbs_main.c Wed May 24
19:19:02 2017 (r318802)
@@ -782,7 +782,7 @@ show_dev_device(struct device *device, s
{
struct ib_uverbs_device *dev = dev_get_drvdata(device);
- if (!dev)
+ if (!dev || !dev->ib_dev->dma_device)
return -ENODEV;
return sprintf(buf, "0x%04x\n",
@@ -795,7 +795,7 @@ show_dev_vendor(struct device *device, s
{
struct ib_uverbs_device *dev = dev_get_drvdata(device);
- if (!dev)
+ if (!dev || !dev->ib_dev->dma_device)
return -ENODEV;
return sprintf(buf, "0x%04x\n",
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