Messages in this thread | | | Date | Fri, 30 Jan 2015 07:59:51 -0500 | From | Peter Hurley <> | Subject | Re: [PATCH] staging: unisys: virtpci: virtpci: Fix for possible null pointer dereference |
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On 01/30/2015 07:39 AM, Dan Carpenter wrote: > Btw, if you have the smatch cross function database set up then you can > figure out this sort of thing by using: > > $ smdb.py virtpci_driver_attr_store > > It says that: > > fs/sysfs/file.c | sysfs_kf_write | (struct sysfs_ops)->store | PARAM_VALUE | 0 | $ | 4096-2117777777777777777 > > So this is called from sysfs_kf_write() and parameter zero is a valid > pointer.
Hi Dan,
This would be a good topic for an LWN.net article.
Regards, Peter Hurley
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