At 2022-09-15 20:25:36, "Guenter Roeck" <linux@xxxxxxxxxxxx> wrote: >On Thu, Sep 15, 2022 at 05:06:27PM +0800, Liang He wrote: >> In gsc_hwmon_get_devtree_pdata(), we should call of_node_get() before >> the of_find_compatible_node() which will automatically call >> of_node_put() for the 'from' argument. >> >> Fixes: 3bce5377ef66 ("hwmon: Add Gateworks System Controller support") >> Co-developed-by: Mengda Chen <chenmengda2009@xxxxxxx> >> Signed-off-by: Mengda Chen <chenmengda2009@xxxxxxx> >> Signed-off-by: Liang He <windhl@xxxxxxx> > >Sigh. The first signer is supposed to be the author. > >Guenter Hi, Guenter I search the commit history and found several recent but different commits This one is same with mine: Co-developed-by: A & SOB First & SOB Author, following the kernel doc https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.0-rc5&id=7e97cfed9929eaabc41829c395eb0d1350fccb9d But, this one is consistent with your advise: SOB Author & Co-developed-by: A & SOB A (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.0-rc5&id=ef69aa3a986ef94f01ce8b5b619f550db54432fe So please tell me what I should follow? Thanks very much. Liang > >> --- >> >> v2: use proper tags advised by Guenter and based on Kernel Doc >> >> drivers/hwmon/gsc-hwmon.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/drivers/hwmon/gsc-hwmon.c b/drivers/hwmon/gsc-hwmon.c >> index d64be48f1ef6..b60ec95b5edb 100644 >> --- a/drivers/hwmon/gsc-hwmon.c >> +++ b/drivers/hwmon/gsc-hwmon.c >> @@ -267,6 +267,7 @@ gsc_hwmon_get_devtree_pdata(struct device *dev) >> pdata->nchannels = nchannels; >> >> /* fan controller base address */ >> + of_node_get(dev->parent->of_node); >> fan = of_find_compatible_node(dev->parent->of_node, NULL, "gw,gsc-fan"); >> if (fan && of_property_read_u32(fan, "reg", &pdata->fan_base)) { >> of_node_put(fan); >> -- >> 2.25.1 >>