diff options
| author | Jonathan Corbet <corbet@lwn.net> | 2008-05-16 21:40:30 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 22:05:50 +0200 |
| commit | d21c95c569c462da20d491b75d0a45bd70ddc1bf (patch) | |
| tree | c5efcd4a1ae50101a56abc1f5a27ef5173da209d /drivers/char/vr41xx_giu.c | |
| parent | tty: cdev lock_kernel() pushdown (diff) | |
| download | linux-d21c95c569c462da20d491b75d0a45bd70ddc1bf.tar.xz linux-d21c95c569c462da20d491b75d0a45bd70ddc1bf.zip | |
Add "no BKL needed" comments to several drivers
This documents the fact that somebody looked at the relevant open()
functions and concluded that, due to their trivial nature, no locking was
needed.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'drivers/char/vr41xx_giu.c')
| -rw-r--r-- | drivers/char/vr41xx_giu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c index e5ed09192be8..412937fdb958 100644 --- a/drivers/char/vr41xx_giu.c +++ b/drivers/char/vr41xx_giu.c @@ -543,6 +543,8 @@ static ssize_t gpio_write(struct file *file, const char __user *data, return i; } +/* No BKL needed here; only global (giu_nr_pins) is only set + at probe time */ static int gpio_open(struct inode *inode, struct file *file) { unsigned int pin; |