On 30. 05. 19, 11:39, Gen Zhang wrote: > In d_parse_params(), 'params_orig' is allocated by kstrdup(). It returns > NULL when fails. So 'params_orig' should be checked. > > Signed-off-by: Gen Zhang <blackgod016...@gmail.com> > --- > diff --git a/include/linux/wimax/debug.h b/include/linux/wimax/debug.h > index aaf24ba..bacd6cb 100644 > --- a/include/linux/wimax/debug.h > +++ b/include/linux/wimax/debug.h > @@ -496,6 +496,11 @@ void d_parse_params(struct d_level *d_level, size_t > d_level_size, > if (_params == NULL) > return; > params_orig = kstrdup(_params, GFP_KERNEL); > + if (!params_orig) { > + printk(KERN_ERR "%s: can't duplicate string '%s'\n", > + tag, _params);
We use pr_err these days. thanks, -- js suse labs