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path: root/drivers/sbus/char/openprom.c
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Diffstat (limited to 'drivers/sbus/char/openprom.c')
-rw-r--r--drivers/sbus/char/openprom.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index 58ed33749571..383a95f34a0d 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -39,6 +39,7 @@
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <asm/oplib.h>
@@ -565,6 +566,40 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
}
}
+static long openprom_compat_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ long rval = -ENOTTY;
+
+ /*
+ * SunOS/Solaris only, the NetBSD one's have embedded pointers in
+ * the arg which we'd need to clean up...
+ */
+ switch (cmd) {
+ case OPROMGETOPT:
+ case OPROMSETOPT:
+ case OPROMNXTOPT:
+ case OPROMSETOPT2:
+ case OPROMNEXT:
+ case OPROMCHILD:
+ case OPROMGETPROP:
+ case OPROMNXTPROP:
+ case OPROMU2P:
+ case OPROMGETCONS:
+ case OPROMGETFBNAME:
+ case OPROMGETBOOTARGS:
+ case OPROMSETCUR:
+ case OPROMPCI2NODE:
+ case OPROMPATH2NODE:
+ lock_kernel();
+ rval = openprom_ioctl(file->f_dentry->d_inode, file, cmd, arg);
+ lock_kernel();
+ break;
+ }
+
+ return rval;
+}
+
static int openprom_open(struct inode * inode, struct file * file)
{
DATA *data;
@@ -590,6 +625,7 @@ static struct file_operations openprom_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.ioctl = openprom_ioctl,
+ .compat_ioctl = openprom_compat_ioctl,
.open = openprom_open,
.release = openprom_release,
};