X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/384dff5eef7eabe084e7b5584388eaee88f2d3bc..340372534c675c7f78be83cfc0a690fb0ddcad92:/target/linux/generic/files/crypto/ocf/cryptodev.c

diff --git a/target/linux/generic/files/crypto/ocf/cryptodev.c b/target/linux/generic/files/crypto/ocf/cryptodev.c
index c1e9140a0..2ee3618cd 100644
--- a/target/linux/generic/files/crypto/ocf/cryptodev.c
+++ b/target/linux/generic/files/crypto/ocf/cryptodev.c
@@ -39,7 +39,8 @@
 __FBSDID("$FreeBSD: src/sys/opencrypto/cryptodev.c,v 1.34 2007/05/09 19:37:02 gnn Exp $");
  */
 
-#ifndef AUTOCONF_INCLUDED
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38) && !defined(AUTOCONF_INCLUDED)
 #include <linux/config.h>
 #endif
 #include <linux/types.h>
@@ -57,7 +58,6 @@ __FBSDID("$FreeBSD: src/sys/opencrypto/cryptodev.c,v 1.34 2007/05/09 19:37:02 gn
 #include <linux/file.h>
 #include <linux/mount.h>
 #include <linux/miscdevice.h>
-#include <linux/version.h>
 #include <asm/uaccess.h>
 
 #include <cryptodev.h>
@@ -977,10 +977,16 @@ cryptodev_open(struct inode *inode, struct file *filp)
 	struct fcrypt *fcr;
 
 	dprintk("%s()\n", __FUNCTION__);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35)
+	/*
+	 * on 2.6.35 private_data points to a miscdevice structure, we override
+	 * it,  which is currently safe to do.
+	 */
 	if (filp->private_data) {
-		printk("cryptodev: Private data already exists !\n");
-		return(0);
+		printk("cryptodev: Private data already exists - %p!\n", filp->private_data);
+		return(-ENODEV);
 	}
+#endif
 
 	fcr = kmalloc(sizeof(*fcr), GFP_KERNEL);
 	if (!fcr) {