grdrm_fb *grdrm_fb_free(grdrm_fb *fb) {
unsigned int i;
+ int r;
if (!fb)
return NULL;
assert(fb->card);
- if (fb->id > 0 && fb->card->fd >= 0)
- ioctl(fb->card->fd, DRM_IOCTL_MODE_RMFB, fb->id);
+ if (fb->id > 0 && fb->card->fd >= 0) {
+ r = ioctl(fb->card->fd, DRM_IOCTL_MODE_RMFB, fb->id);
+ if (r < 0)
+ log_debug("grdrm: %s: cannot delete framebuffer %" PRIu32 ": %m",
+ fb->card->base.name, fb->id);
+ }
for (i = 0; i < ELEMENTSOF(fb->handles); ++i) {
struct drm_mode_destroy_dumb destroy_dumb = { };
if (fb->handles[i] > 0 && fb->card->fd >= 0) {
destroy_dumb.handle = fb->handles[i];
- ioctl(fb->card->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_dumb);
+ r = ioctl(fb->card->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_dumb);
+ if (r < 0)
+ log_debug("grdrm: %s: cannot destroy dumb-buffer %" PRIu32 ": %m",
+ fb->card->base.name, fb->handles[i]);
}
}
basecard->session->name, basecard->name, cu->devnode);
} else {
/* We might get DRM-Master implicitly on open(); drop it immediately
- * so we acquire it only once we're actually enabled. */
- ioctl(fd, DRM_IOCTL_DROP_MASTER, 0);
+ * so we acquire it only once we're actually enabled. We don't
+ * really care whether this call fails or not, but lets log any
+ * weird errors, anyway. */
+ r = ioctl(fd, DRM_IOCTL_DROP_MASTER, 0);
+ if (r < 0 && errno != EACCES && errno != EINVAL)
+ log_debug("grdrm: %s/%s: cannot drop DRM-Master: %m",
+ basecard->session->name, basecard->name);
r = grdrm_card_open(&cu->card, fd);
if (r < 0)
}
void session_leave_vt(Session *s) {
+ int r;
+
assert(s);
/* This is called whenever we get a VT-switch signal from the kernel.
return;
session_device_pause_all(s);
- ioctl(s->vtfd, VT_RELDISP, 1);
+ r = ioctl(s->vtfd, VT_RELDISP, 1);
+ if (r < 0)
+ log_debug("Cannot release VT of session %s: %m", s->id);
}
bool session_is_controller(Session *s, const char *sender) {