| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20090821154407.6337421b@leela>
Date: Fri, 21 Aug 2009 15:44:07 +0200
From: Michal Schmidt <mschmidt@...hat.com>
To: Jeremy Fitzhardinge <jeremy@...p.org>
Cc: Mark McLoughlin <markmc@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] xenfb: connect to backend before registering fb
As soon as the framebuffer is registered, our methods may be called by the
kernel. This leads to a crash as xenfb_refresh() gets called before we have
the irq.
Connect to the backend before registering our framebuffer with the kernel.
Signed-off-by: Michal Schmidt <mschmidt@...hat.com>
--
Index: linux-git/drivers/video/xen-fbfront.c
===================================================================
--- linux-git.orig/drivers/video/xen-fbfront.c
+++ linux-git/drivers/video/xen-fbfront.c
@@ -454,6 +454,10 @@ static int __devinit xenfb_probe(struct
xenfb_init_shared_page(info, fb_info);
+ ret = xenfb_connect_backend(dev, info);
+ if (ret < 0)
+ goto error;
+
ret = register_framebuffer(fb_info);
if (ret) {
fb_deferred_io_cleanup(fb_info);
@@ -464,10 +468,6 @@ static int __devinit xenfb_probe(struct
}
info->fb_info = fb_info;
- ret = xenfb_connect_backend(dev, info);
- if (ret < 0)
- goto error;
-
xenfb_make_preferred_console();
return 0;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists