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authorChristoph Hellwig <hch@lst.de>2005-11-08 01:13:14 +0300
committerDavid S. Miller <davem@davemloft.net>2005-11-08 01:13:14 +0300
commitb66621fef30e15810d459212bc8bdc274e08f14f (patch)
tree6f0c71c93f56d47414dd43a39e3ed563d560aeda
parent1d5d00bd9c44ab4730d353ee6ba0c8ebbff295c7 (diff)
downloadlinux-b66621fef30e15810d459212bc8bdc274e08f14f.tar.xz
[SPARC] cpwatchdog: implement ->compat_ioctl
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc64/kernel/ioctl32.c3
-rw-r--r--drivers/sbus/char/cpwatchdog.c24
2 files changed, 24 insertions, 3 deletions
diff --git a/arch/sparc64/kernel/ioctl32.c b/arch/sparc64/kernel/ioctl32.c
index f8e9ffb125c0..398ddbffc6a4 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 c82abeb59d3a..071ae24be892 100644
--- a/drivers/sbus/char/cpwatchdog.c
+++ b/drivers/sbus/char/cpwatchdog.c
@@ -26,6 +26,7 @@
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/timer.h>
+#include <linux/smp_lock.h>
#include <asm/irq.h>
#include <asm/ebus.h>
#include <asm/oplib.h>
@@ -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,