[PATCH 14/33] staging/olpc: lock_fb_info can't fail

From: Daniel Vetter
Date: Mon May 20 2019 - 04:26:10 EST


Simply because olpc never unregisters the damn thing. It also
registers the framebuffer directly by poking around in fbdev
core internals, so it's all around rather broken.

Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Jens Frederich <jfrederich@xxxxxxxxx>
Cc: Daniel Drake <dsd@xxxxxxxxxx>
Cc: Jon Nettleton <jon.nettleton@xxxxxxxxx>
---
drivers/staging/olpc_dcon/olpc_dcon.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c
index 6b714f740ac3..a254238be181 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon.c
+++ b/drivers/staging/olpc_dcon/olpc_dcon.c
@@ -250,11 +250,7 @@ static bool dcon_blank_fb(struct dcon_priv *dcon, bool blank)
int err;

console_lock();
- if (!lock_fb_info(dcon->fbinfo)) {
- console_unlock();
- dev_err(&dcon->client->dev, "unable to lock framebuffer\n");
- return false;
- }
+ lock_fb_info(dcon->fbinfo);

dcon->ignore_fb_events = true;
err = fb_blank(dcon->fbinfo,
--
2.20.1