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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-19 15:08:17 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-22 17:44:21 +0200 |
| commit | 9f37af654fda88a8dcca74c785f6c20e52758866 (patch) | |
| tree | e9a461031d9b8dffdeb29d889daf6cf1be5e4041 /arch/um | |
| parent | 9918ff26b301e9a57f25fb12b44a46ad0c1e8f8f (diff) | |
| download | lwn-9f37af654fda88a8dcca74c785f6c20e52758866.tar.gz lwn-9f37af654fda88a8dcca74c785f6c20e52758866.zip | |
uml: Pushdown the bkl from harddog_kern ioctl
Pushdown the bkl to harddog_ioctl.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Uml <user-mode-linux-devel@lists.sourceforge.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/drivers/harddog_kern.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c index d332503fa1be..cfcac1ff4cf2 100644 --- a/arch/um/drivers/harddog_kern.c +++ b/arch/um/drivers/harddog_kern.c @@ -124,8 +124,8 @@ static ssize_t harddog_write(struct file *file, const char __user *data, size_t return 0; } -static int harddog_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static int harddog_ioctl_unlocked(struct file *file, + unsigned int cmd, unsigned long arg) { void __user *argp= (void __user *)arg; static struct watchdog_info ident = { @@ -148,10 +148,22 @@ static int harddog_ioctl(struct inode *inode, struct file *file, } } +static long harddog_ioctl(struct file *file, + unsigned int cmd, unsigned long arg) +{ + long ret; + + lock_kernel(); + ret = harddog_ioctl_unlocked(file, cmd, arg); + unlock_kernel(); + + return ret; +} + static const struct file_operations harddog_fops = { .owner = THIS_MODULE, .write = harddog_write, - .ioctl = harddog_ioctl, + .unlocked_ioctl = harddog_ioctl, .open = harddog_open, .release = harddog_release, }; |