On 10/6/2016 6:41 PM, Al Viro wrote: > On Thu, Oct 06, 2016 at 11:37:29PM +0100, Al Viro wrote: > >> If you ever get NULL in ->d_parent of struct dentry instance, you are >> practically certain to have a dangling pointer to memory that used to >> contain a struct dentry at some point but got freed and reused since then. > > ... which is what happens in your case, apparently. ->stats is still > pointing to a dentry that had just been freed and its memory reused. > Thanks for explaining the behavior. I posted the change a minute ago and forgot to include you. dmaengine: qcom_hidma: remove useless debugfs file removal I have a very similar problem with sysfs now. It looks like the new kernel is more assertive than the older ones. I'll post the sysfs change in a minute. -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project. -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html