On Mon, 2017-12-18 at 11:20 -0800, Stephen Hemminger wrote:
> On Tue, 19 Dec 2017 00:41:30 +0530
> Shreeya Patel wrote:
>
> >
> > Do not check for NOT NULL before calling kfree because if the
> > pointer is NULL, no action occurs.
> > Done using the following semantic patch by coccinelle.
> >
>
On Tue, 19 Dec 2017 00:41:30 +0530
Shreeya Patel wrote:
> Do not check for NOT NULL before calling kfree because if the
> pointer is NULL, no action occurs.
> Done using the following semantic patch by coccinelle.
>
> @@
> expression ptr;
> @@
>
> - if (ptr != NULL) {
> kfree(ptr);
> ptr =
Do not check for NOT NULL before calling kfree because if the
pointer is NULL, no action occurs.
Done using the following semantic patch by coccinelle.
@@
expression ptr;
@@
- if (ptr != NULL) {
kfree(ptr);
ptr = NULL;
- }
The semantic patch has the effect of adding an assignment
of ptr to N
