Author: np
Date: Thu Feb 23 07:48:58 2017
New Revision: 314131
URL: https://svnweb.freebsd.org/changeset/base/314131
Log:
Avoid NULL dereference in a couple of sysctl handlers in ibcore.
iw_cxgbe sets ib_device->dma_device to NULL (since r311880).
Reviewed by: hselasky@
Sponsored by: Chelsio Communications
Modified:
head/sys/ofed/drivers/infiniband/core/uverbs_main.c
Modified: head/sys/ofed/drivers/infiniband/core/uverbs_main.c
==============================================================================
--- head/sys/ofed/drivers/infiniband/core/uverbs_main.c Thu Feb 23 07:45:58
2017 (r314130)
+++ head/sys/ofed/drivers/infiniband/core/uverbs_main.c Thu Feb 23 07:48:58
2017 (r314131)
@@ -1225,7 +1225,7 @@ 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",
@@ -1238,7 +1238,7 @@ 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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