Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'libnvdimm-fixes-7.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fix from Ira Weiny:
- Fix old potential use after free bug
* tag 'libnvdimm-fixes-7.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm/bus: Fix potential use after free in asynchronous initialization
+3
-2
+3
-2
drivers/nvdimm/bus.c
+3
-2
drivers/nvdimm/bus.c
···
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static void nd_async_device_register(void *d, async_cookie_t cookie)
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{
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struct device *dev = d;
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+
struct device *parent = dev->parent;
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if (device_add(dev) != 0) {
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dev_err(dev, "%s: failed\n", __func__);
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put_device(dev);
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}
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put_device(dev);
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-
if (dev->parent)
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-
put_device(dev->parent);
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+
if (parent)
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+
put_device(parent);
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}
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static void nd_async_device_unregister(void *d, async_cookie_t cookie)