On Thu, Jan 04, 2024 at 11:44:54PM +0100, Christian Marangi wrote: > On Thu, Jan 04, 2024 at 11:19:44PM +0100, Christophe JAILLET wrote: > > > @@ -1688,7 +1688,7 @@ static ssize_t trans_stat_show(struct device *dev, > > > struct device_attribute *attr, char *buf) > > > { > > > struct devfreq *df = to_devfreq(dev); > > > - ssize_t len; > > > + ssize_t len = 0; > > > int i, j; > > > unsigned int max_state; > > > @@ -1697,7 +1697,7 @@ static ssize_t trans_stat_show(struct device *dev, > > > max_state = df->max_state; > > > if (max_state == 0) > > > - return sprintf(buf, "Not Supported.\n"); > > > + return scnprintf(buf, PAGE_SIZE, "Not Supported.\n"); > > > > Hi, > > > > maybe using sysfs_emit_at() could be even cleaner and less verbose? > > > > If you notice this change is done in the second patch of the series. > This patch still use this more generic way to permit this to be > backported on stable kernel. (older kernel doesn't have sysfs_emit_at() > hence it can't be backported) All activly supported kernels on the kernel.org front page have sysfs_emit_at(), so this should not be an issue for anyone. Just do the change here at the same time. thanks, greg k-h