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authorJonathan Corbet <corbet@lwn.net>2008-05-16 13:40:30 -0600
committerJonathan Corbet <corbet@lwn.net>2008-06-20 14:05:50 -0600
commitd21c95c569c462da20d491b75d0a45bd70ddc1bf (patch)
treec5efcd4a1ae50101a56abc1f5a27ef5173da209d /drivers/char/dtlk.c
parent39d95b9d857ad9ed335dd1a2d6c6de1f1ee69ce1 (diff)
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/dtlk.c')
-rw-r--r--drivers/char/dtlk.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c
index abde6ddefe6..433388c6023 100644
--- a/drivers/char/dtlk.c
+++ b/drivers/char/dtlk.c
@@ -288,6 +288,8 @@ static int dtlk_ioctl(struct inode *inode,
}
}
+/* No BKL needed here; "dtlk_busy" is the only global resource,
+ and it is not ever set by anybody (test is broken) */
static int dtlk_open(struct inode *inode, struct file *file)
{
TRACE_TEXT("(dtlk_open");