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Driver core fix for 5.8-rc7 

Here is a single driver core fix for 5.8-rc7.  It resolves a problem
 found in the previous fix for this code made in 5.8-rc6.  Hopefully this
 is all now cleared up, as this seems to be the last of the reported
 issues in this area, and was tested on the problem hardware.
 
 This patch has been in linux-next with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into master

Pull driver core fix from Greg KH:
 "A single driver core fix for 5.8-rc7. It resolves a problem found in
  the previous fix for this code made in 5.8-rc6. Hopefully this is all
  now cleared up, as this seems to be the last of the reported issues in
  this area, and was tested on the problem hardware.

  This patch has been in linux-next with no reported problems"

* tag 'driver-core-5.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  device property: Avoid NULL pointer dereference in device_get_next_child_node()
This commit is contained in:
Linus Torvalds 2020-07-26 09:29:22 -07:00
parent f208a76fcb 29c4a54bc6
commit 7f2e231c31
1 changed files with 1 additions and 1 deletions
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2
drivers/base/property.c
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@ -721,7 +721,7 @@ struct fwnode_handle *device_get_next_child_node(struct device *dev,
return next;
/* When no more children in primary, continue with secondary */
if (!IS_ERR_OR_NULL(fwnode->secondary))
if (fwnode && !IS_ERR_OR_NULL(fwnode->secondary))
next = fwnode_get_next_child_node(fwnode->secondary, child);
return next;