| Message ID | 20210513134639.6541-1-thunder.leizhen@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/1] drm/kmb: Fix error return code in kmb_hw_init() | expand |
Thanks for the patch. Reviewed-by: Anitha Chrisanthus <anitha.chrisanthus@intel.com> > -----Original Message----- > From: Zhen Lei <thunder.leizhen@huawei.com> > Sent: Thursday, May 13, 2021 6:47 AM > To: Chrisanthus, Anitha <anitha.chrisanthus@intel.com>; Dea, Edmund J > <edmund.j.dea@intel.com>; David Airlie <airlied@linux.ie>; Daniel Vetter > <daniel@ffwll.ch>; Sam Ravnborg <sam@ravnborg.org>; dri-devel <dri- > devel@lists.freedesktop.org> > Cc: Zhen Lei <thunder.leizhen@huawei.com> > Subject: [PATCH 1/1] drm/kmb: Fix error return code in kmb_hw_init() > > When call platform_get_irq() to obtain the IRQ of the lcd fails, the > returned error code should be propagated. However, we currently do not > explicitly assign this error code to 'ret'. As a result, 0 was incorrectly > returned. > > Fixes: 7f7b96a8a0a1 ("drm/kmb: Add support for KeemBay Display") > Reported-by: Hulk Robot <hulkci@huawei.com> > Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> > --- > drivers/gpu/drm/kmb/kmb_drv.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/kmb/kmb_drv.c > b/drivers/gpu/drm/kmb/kmb_drv.c > index f64e06e1067dd8d..96ea1a2c11dd6a3 100644 > --- a/drivers/gpu/drm/kmb/kmb_drv.c > +++ b/drivers/gpu/drm/kmb/kmb_drv.c > @@ -137,6 +137,7 @@ static int kmb_hw_init(struct drm_device *drm, > unsigned long flags) > /* Allocate LCD interrupt resources */ > irq_lcd = platform_get_irq(pdev, 0); > if (irq_lcd < 0) { > + ret = irq_lcd; > drm_err(&kmb->drm, "irq_lcd not found"); > goto setup_fail; > } > -- > 2.26.0.106.g9fadedd >
Thanks for the patch. Patch pushed to drm-misc-fixes. Anitha > -----Original Message----- > From: Chrisanthus, Anitha > Sent: Thursday, May 13, 2021 10:12 AM > To: Zhen Lei <thunder.leizhen@huawei.com>; Dea, Edmund J > <edmund.j.dea@intel.com>; David Airlie <airlied@linux.ie>; Daniel Vetter > <daniel@ffwll.ch>; Sam Ravnborg <sam@ravnborg.org>; dri-devel <dri- > devel@lists.freedesktop.org> > Subject: RE: [PATCH 1/1] drm/kmb: Fix error return code in kmb_hw_init() > > Thanks for the patch. > > Reviewed-by: Anitha Chrisanthus <anitha.chrisanthus@intel.com> > > > -----Original Message----- > > From: Zhen Lei <thunder.leizhen@huawei.com> > > Sent: Thursday, May 13, 2021 6:47 AM > > To: Chrisanthus, Anitha <anitha.chrisanthus@intel.com>; Dea, Edmund J > > <edmund.j.dea@intel.com>; David Airlie <airlied@linux.ie>; Daniel Vetter > > <daniel@ffwll.ch>; Sam Ravnborg <sam@ravnborg.org>; dri-devel <dri- > > devel@lists.freedesktop.org> > > Cc: Zhen Lei <thunder.leizhen@huawei.com> > > Subject: [PATCH 1/1] drm/kmb: Fix error return code in kmb_hw_init() > > > > When call platform_get_irq() to obtain the IRQ of the lcd fails, the > > returned error code should be propagated. However, we currently do not > > explicitly assign this error code to 'ret'. As a result, 0 was incorrectly > > returned. > > > > Fixes: 7f7b96a8a0a1 ("drm/kmb: Add support for KeemBay Display") > > Reported-by: Hulk Robot <hulkci@huawei.com> > > Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> > > --- > > drivers/gpu/drm/kmb/kmb_drv.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/drivers/gpu/drm/kmb/kmb_drv.c > > b/drivers/gpu/drm/kmb/kmb_drv.c > > index f64e06e1067dd8d..96ea1a2c11dd6a3 100644 > > --- a/drivers/gpu/drm/kmb/kmb_drv.c > > +++ b/drivers/gpu/drm/kmb/kmb_drv.c > > @@ -137,6 +137,7 @@ static int kmb_hw_init(struct drm_device *drm, > > unsigned long flags) > > /* Allocate LCD interrupt resources */ > > irq_lcd = platform_get_irq(pdev, 0); > > if (irq_lcd < 0) { > > + ret = irq_lcd; > > drm_err(&kmb->drm, "irq_lcd not found"); > > goto setup_fail; > > } > > -- > > 2.26.0.106.g9fadedd > >
diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c index f64e06e1067dd8d..96ea1a2c11dd6a3 100644 --- a/drivers/gpu/drm/kmb/kmb_drv.c +++ b/drivers/gpu/drm/kmb/kmb_drv.c @@ -137,6 +137,7 @@ static int kmb_hw_init(struct drm_device *drm, unsigned long flags) /* Allocate LCD interrupt resources */ irq_lcd = platform_get_irq(pdev, 0); if (irq_lcd < 0) { + ret = irq_lcd; drm_err(&kmb->drm, "irq_lcd not found"); goto setup_fail; }
When call platform_get_irq() to obtain the IRQ of the lcd fails, the returned error code should be propagated. However, we currently do not explicitly assign this error code to 'ret'. As a result, 0 was incorrectly returned. Fixes: 7f7b96a8a0a1 ("drm/kmb: Add support for KeemBay Display") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> --- drivers/gpu/drm/kmb/kmb_drv.c | 1 + 1 file changed, 1 insertion(+)