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Commit 9d319522 authored by Jonathan Corbet's avatar Jonathan Corbet
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tun: fasync BKL pushdown 

Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent 743115ee
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Showing with 7 additions and 4 deletions
drivers/net/tun.c
View file @ 9d319522
...@@ -782,18 +782,21 @@ static int tun_chr_fasync(int fd, struct file *file, int on) ...@@ -782,18 +782,21 @@ static int tun_chr_fasync(int fd, struct file *file, int on)
DBG(KERN_INFO "%s: tun_chr_fasync %d\n", tun->dev->name, on); DBG(KERN_INFO "%s: tun_chr_fasync %d\n", tun->dev->name, on);
lock_kernel();
if ((ret = fasync_helper(fd, file, on, &tun->fasync)) < 0) if ((ret = fasync_helper(fd, file, on, &tun->fasync)) < 0)
return ret; goto out;
if (on) { if (on) {
ret = __f_setown(file, task_pid(current), PIDTYPE_PID, 0); ret = __f_setown(file, task_pid(current), PIDTYPE_PID, 0);
if (ret) if (ret)
return ret; goto out;
tun->flags |= TUN_FASYNC; tun->flags |= TUN_FASYNC;
} else } else
tun->flags &= ~TUN_FASYNC; tun->flags &= ~TUN_FASYNC;
ret = 0;
return 0; out:
unlock_kernel();
return ret;
} }
static int tun_chr_open(struct inode *inode, struct file * file) static int tun_chr_open(struct inode *inode, struct file * file)
......
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