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| author | Dave Airlie <airlied@redhat.com> | 2013-02-08 12:10:18 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2013-02-08 12:10:18 +1000 |
| commit | 6dc1c49da6dd3bf020a66b2a135b9625ac01c2c7 (patch) | |
| tree | 38a6c5d4896de01449e9d224088ae223161fcd3c /drivers/video/fbsysfs.c | |
| parent | cd17ef4114ad5c514b17e6a0bb02a309ab90b692 (diff) | |
| parent | 5845b81bdad374f98f809a658ec747d92c9595c4 (diff) | |
| download | linux-6dc1c49da6dd3bf020a66b2a135b9625ac01c2c7.tar.bz2 | |
Merge branch 'fbcon-locking-fixes' of ssh://people.freedesktop.org/~airlied/linux into drm-next
This pulls in most of Linus tree up to -rc6, this fixes the worst lockdep
reported issues and re-enables fbcon lockdep.
(not the fbcon maintainer)
* 'fbcon-locking-fixes' of ssh://people.freedesktop.org/~airlied/linux: (529 commits)
Revert "Revert "console: implement lockdep support for console_lock""
fbcon: fix locking harder
fb: Yet another band-aid for fixing lockdep mess
fb: rework locking to fix lock ordering on takeover
Diffstat (limited to 'drivers/video/fbsysfs.c')
| -rw-r--r-- | drivers/video/fbsysfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c index a55e3669d135..ef476b02fbe5 100644 --- a/drivers/video/fbsysfs.c +++ b/drivers/video/fbsysfs.c @@ -177,6 +177,8 @@ static ssize_t store_modes(struct device *device, if (i * sizeof(struct fb_videomode) != count) return -EINVAL; + if (!lock_fb_info(fb_info)) + return -ENODEV; console_lock(); list_splice(&fb_info->modelist, &old_list); fb_videomode_to_modelist((const struct fb_videomode *)buf, i, @@ -188,6 +190,7 @@ static ssize_t store_modes(struct device *device, fb_destroy_modelist(&old_list); console_unlock(); + unlock_fb_info(fb_info); return 0; } |