diff options
| author | Jonathan Corbet <corbet@lwn.net> | 2008-05-16 00:30:36 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 22:05:50 +0200 |
| commit | fc7f687a6878e19f7ce58cb8a65659cd2730b586 (patch) | |
| tree | 7cf4b6761654bf0e8e85fb813968be332fab3099 /drivers/video/fbmem.c | |
| parent | dvb: cdev lock_kernel() pushdown (diff) | |
| download | linux-fc7f687a6878e19f7ce58cb8a65659cd2730b586.tar.xz linux-fc7f687a6878e19f7ce58cb8a65659cd2730b586.zip | |
fbmem: cdev lock_kernel() pushdown
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'drivers/video/fbmem.c')
| -rw-r--r-- | drivers/video/fbmem.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 776f7fcd2fbf..33ebdb198daf 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1326,20 +1326,27 @@ fb_open(struct inode *inode, struct file *file) if (fbidx >= FB_MAX) return -ENODEV; + lock_kernel(); #ifdef CONFIG_KMOD if (!(info = registered_fb[fbidx])) try_to_load(fbidx); #endif /* CONFIG_KMOD */ - if (!(info = registered_fb[fbidx])) - return -ENODEV; - if (!try_module_get(info->fbops->owner)) - return -ENODEV; + if (!(info = registered_fb[fbidx])) { + res = -ENODEV; + goto out; + } + if (!try_module_get(info->fbops->owner)) { + res = -ENODEV; + goto out; + } file->private_data = info; if (info->fbops->fb_open) { res = info->fbops->fb_open(info,1); if (res) module_put(info->fbops->owner); } +out: + unlock_kernel(); return res; } |