On Sun, 26 Apr 2015, green@xxxxxxxxxxxxxx wrote: > From: Oleg Drokin <green@xxxxxxxxxxxxxx> > > Need to free just allocated ctx allocation if we cannot > get our config mutex. > > This one has been flagged by kbuild bot all the way back in August, > but somehow nobody picked it up: > https://lists.01.org/pipermail/kbuild/2014-August/001691.html > > Found with smatch. > > Signed-off-by: Oleg Drokin <green@xxxxxxxxxxxxxx> > CC: Daniel Vetter <daniel.vetter@xxxxxxxx> The function has another leaking failure path, would be nice to have that fixed too. Maybe with a common out label. BR, Jani. > --- > drivers/gpu/drm/drm_modeset_lock.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c > index 51cc47d..1e8c52f 100644 > --- a/drivers/gpu/drm/drm_modeset_lock.c > +++ b/drivers/gpu/drm/drm_modeset_lock.c > @@ -80,8 +80,10 @@ int __drm_modeset_lock_all(struct drm_device *dev, > return -ENOMEM; > > if (trylock) { > - if (!mutex_trylock(&config->mutex)) > + if (!mutex_trylock(&config->mutex)) { > + kfree(ctx); > return -EBUSY; > + } > } else { > mutex_lock(&config->mutex); > } > -- > 2.1.0 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- Jani Nikula, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
