xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

tty: Drop the lock_kernel in the private ioctl hook

Browse Source 
We don't need the BKL here any more so it can go. In a couple of spots the
driver requirements are not clear so push the lock down into the driver.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox
2009-01-02 13:48:56 +00:00
committed by Linus Torvalds
parent eeb4613436
commit 6b447f04a9
5 changed files with 14 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/serial/mct_u232.c
View File

@@ -721,10 +721,10 @@ static void mct_u232_break_ctl(struct tty_struct *tty, int break_state)
spin_lock_irqsave(&priv->lock, flags);
lcr = priv->last_lcr;
spin_unlock_irqrestore(&priv->lock, flags);
if (break_state)
lcr |= MCT_U232_SET_BREAK;
spin_unlock_irqrestore(&priv->lock, flags);
mct_u232_set_line_ctrl(serial, lcr);
} /* mct_u232_break_ctl */