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D58076.id181437.diff
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diff --git a/sys/compat/linuxkpi/common/include/linux/fs.h b/sys/compat/linuxkpi/common/include/linux/fs.h
--- a/sys/compat/linuxkpi/common/include/linux/fs.h
+++ b/sys/compat/linuxkpi/common/include/linux/fs.h
@@ -432,4 +432,13 @@
ssize_t simple_attr_write_signed(struct file *filp, const char __user *buf,
size_t write_size, loff_t *ppos);
+static inline long
+compat_ptr_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ if (file->f_op->unlocked_ioctl != NULL) {
+ return (file->f_op->unlocked_ioctl(file, cmd, (unsigned long) arg));
+ }
+ return (-ENOIOCTLCMD);
+}
+
#endif /* _LINUXKPI_LINUX_FS_H_ */
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D58076: LinuxKPI: Add compat_ptr_ioctl
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