Message ID | 20220108165230.44610-1-jose.exposito89@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [v2] drm/imx: Fix memory leak in imx_pd_connector_get_modes | expand |
On Sa, 2022-01-08 at 17:52 +0100, José Expósito wrote: > Avoid leaking the display mode variable if of_get_drm_display_mode > fails. > > Fixes: 76ecd9c9fb24 ("drm/imx: parallel-display: check return code > from of_get_drm_display_mode()") > Addresses-Coverity-ID: 1443943 ("Resource leak") > Signed-off-by: José Expósito <jose.exposito89@gmail.com> > > --- > > v2: Improve commit message > --- > drivers/gpu/drm/imx/parallel-display.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/imx/parallel-display.c > b/drivers/gpu/drm/imx/parallel-display.c > index a8aba0141ce7..3bf8e0a4803a 100644 > --- a/drivers/gpu/drm/imx/parallel-display.c > +++ b/drivers/gpu/drm/imx/parallel-display.c > @@ -75,8 +75,10 @@ static int imx_pd_connector_get_modes(struct > drm_connector *connector) > ret = of_get_drm_display_mode(np, &imxpd->mode, > &imxpd->bus_flags, > OF_USE_NATIVE_MODE); > - if (ret) > + if (ret) { > + drm_mode_destroy(connector->dev, mode); > return ret; > + } > > drm_mode_copy(mode, &imxpd->mode); > mode->type |= DRM_MODE_TYPE_DRIVER | > DRM_MODE_TYPE_PREFERRED; Thank you, applied to imx-drm/fixes. regards Philipp
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index a8aba0141ce7..3bf8e0a4803a 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -75,8 +75,10 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector) ret = of_get_drm_display_mode(np, &imxpd->mode, &imxpd->bus_flags, OF_USE_NATIVE_MODE); - if (ret) + if (ret) { + drm_mode_destroy(connector->dev, mode); return ret; + } drm_mode_copy(mode, &imxpd->mode); mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
Avoid leaking the display mode variable if of_get_drm_display_mode fails. Fixes: 76ecd9c9fb24 ("drm/imx: parallel-display: check return code from of_get_drm_display_mode()") Addresses-Coverity-ID: 1443943 ("Resource leak") Signed-off-by: José Expósito <jose.exposito89@gmail.com> --- v2: Improve commit message --- drivers/gpu/drm/imx/parallel-display.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)