From b66621fef30e15810d459212bc8bdc274e08f14f Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 7 Nov 2005 14:13:14 -0800 Subject: [PATCH] [SPARC] cpwatchdog: implement ->compat_ioctl Signed-off-by: Christoph Hellwig Signed-off-by: David S. Miller --- arch/sparc64/kernel/ioctl32.c | 3 --- drivers/sbus/char/cpwatchdog.c | 24 ++++++++++++++++++++++++ 2 files changed, 24 insertions(+), 3 deletions(-) diff --git a/arch/sparc64/kernel/ioctl32.c b/arch/sparc64/kernel/ioctl32.c index f8e9ffb125c..398ddbffc6a 100644 --- a/arch/sparc64/kernel/ioctl32.c +++ b/arch/sparc64/kernel/ioctl32.c @@ -496,9 +496,6 @@ COMPATIBLE_IOCTL(DRM_IOCTL_LOCK) COMPATIBLE_IOCTL(DRM_IOCTL_UNLOCK) COMPATIBLE_IOCTL(DRM_IOCTL_FINISH) #endif /* DRM */ -COMPATIBLE_IOCTL(WIOCSTART) -COMPATIBLE_IOCTL(WIOCSTOP) -COMPATIBLE_IOCTL(WIOCGSTAT) /* And these ioctls need translation */ /* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */ HANDLE_IOCTL(FBIOPUTCMAP32, fbiogetputcmap) diff --git a/drivers/sbus/char/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c index c82abeb59d3..071ae24be89 100644 --- a/drivers/sbus/char/cpwatchdog.c +++ b/drivers/sbus/char/cpwatchdog.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include #include @@ -394,6 +395,28 @@ static int wd_ioctl(struct inode *inode, struct file *file, return(0); } +static long wd_compat_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + int rval = -ENOIOCTLCMD; + + switch (cmd) { + /* solaris ioctls are specific to this driver */ + case WIOCSTART: + case WIOCSTOP: + case WIOCGSTAT: + lock_kernel(); + rval = wd_ioctl(file->f_dentry->d_inode, file, cmd, arg); + lock_kernel(); + break; + /* everything else is handled by the generic compat layer */ + default: + break; + } + + return rval; +} + static ssize_t wd_write(struct file *file, const char __user *buf, size_t count, @@ -441,6 +464,7 @@ static irqreturn_t wd_interrupt(int irq, void *dev_id, struct pt_regs *regs) static struct file_operations wd_fops = { .owner = THIS_MODULE, .ioctl = wd_ioctl, + .compat_ioctl = wd_compat_ioctl, .open = wd_open, .write = wd_write, .read = wd_read, -- 2.20.1