| Message ID | 20240220-lm3630a-fixups-v1-1-9ca62f7e4a33@z3ntu.xyz |
|---|---|
| State | New |
| Headers | show |
| Series | Various fixes for the lm3630a backlight driver | expand |
On Tue, Feb 20, 2024 at 12:11:19AM +0100, Luca Weiss wrote: > The backlight_properties struct should be initialized to zero before > using, otherwise there will be some random values in the struct. > > Fixes: 0c2a665a648e ("backlight: add Backlight driver for lm3630 chip") > Signed-off-by: Luca Weiss <luca@z3ntu.xyz> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Daniel.
On 20.02.2024 00:11, Luca Weiss wrote: > The backlight_properties struct should be initialized to zero before > using, otherwise there will be some random values in the struct. > > Fixes: 0c2a665a648e ("backlight: add Backlight driver for lm3630 chip") > Signed-off-by: Luca Weiss <luca@z3ntu.xyz> > --- > drivers/video/backlight/lm3630a_bl.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c > index a3412c936ca2..8e275275b808 100644 > --- a/drivers/video/backlight/lm3630a_bl.c > +++ b/drivers/video/backlight/lm3630a_bl.c > @@ -343,6 +343,7 @@ static int lm3630a_backlight_register(struct lm3630a_chip *pchip) > struct backlight_properties props; > const char *label; > > + memset(&props, 0, sizeof(struct backlight_properties)); You can zero-initialize it instead Konrad
On Tue, Feb 20, 2024 at 03:07:54PM +0100, Konrad Dybcio wrote: > On 20.02.2024 00:11, Luca Weiss wrote: > > The backlight_properties struct should be initialized to zero before > > using, otherwise there will be some random values in the struct. > > > > Fixes: 0c2a665a648e ("backlight: add Backlight driver for lm3630 chip") > > Signed-off-by: Luca Weiss <luca@z3ntu.xyz> > > --- > > drivers/video/backlight/lm3630a_bl.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c > > index a3412c936ca2..8e275275b808 100644 > > --- a/drivers/video/backlight/lm3630a_bl.c > > +++ b/drivers/video/backlight/lm3630a_bl.c > > @@ -343,6 +343,7 @@ static int lm3630a_backlight_register(struct lm3630a_chip *pchip) > > struct backlight_properties props; > > const char *label; > > > > + memset(&props, 0, sizeof(struct backlight_properties)); > > You can zero-initialize it instead I don't object to either approach but memset() dominates backlight implementations currently. Daniel.
diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c index a3412c936ca2..8e275275b808 100644 --- a/drivers/video/backlight/lm3630a_bl.c +++ b/drivers/video/backlight/lm3630a_bl.c @@ -343,6 +343,7 @@ static int lm3630a_backlight_register(struct lm3630a_chip *pchip) struct backlight_properties props; const char *label; + memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; if (pdata->leda_ctrl != LM3630A_LEDA_DISABLE) { props.brightness = pdata->leda_init_brt;
The backlight_properties struct should be initialized to zero before using, otherwise there will be some random values in the struct. Fixes: 0c2a665a648e ("backlight: add Backlight driver for lm3630 chip") Signed-off-by: Luca Weiss <luca@z3ntu.xyz> --- drivers/video/backlight/lm3630a_bl.c | 1 + 1 file changed, 1 insertion(+)