2008-10-07 19:20:28

by Richard Holden

[permalink] [raw]
Subject: [PATCH] phonedev: remove BKL

This patch removes the BKL from the phonedev module. The phone_device
array is covered by the phone_lock mutex in all cases and
request_module no longer needs the BKL so we can remove the only
remaining instance of the BKL from phonedev.

Signed-off-by: Richard Holden <[email protected]>

diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c
index 4d74ba3..37caf4d 100644
--- a/drivers/telephony/phonedev.c
+++ b/drivers/telephony/phonedev.c
@@ -54,7 +54,6 @@ static int phone_open(struct inode *inode, struct
file *file)
if (minor >= PHONE_NUM_DEVICES)
return -ENODEV;

- lock_kernel();
mutex_lock(&phone_lock);
p = phone_device[minor];
if (p)
@@ -81,7 +80,6 @@ static int phone_open(struct inode *inode, struct
file *file)
fops_put(old_fops);
end:
mutex_unlock(&phone_lock);
- unlock_kernel();
return err;
}