Merge branch 'master' into for_paulus

[linux-drm-fsl-dcu.git] / drivers / char / viotape.c

diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index 73c78bf75d7f4e09e7affd373a8dd7fbbbc6b497..13faf8d17482a58fdd3dcee95e33769f4bbb6b59 100644 (file)
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -49,7 +49,7 @@
 
 #include <asm/uaccess.h>
 #include <asm/ioctls.h>
-
+#include <asm/firmware.h>
 #include <asm/vio.h>
 #include <asm/iseries/vio.h>
 #include <asm/iseries/hv_lp_event.h>
@@ -442,7 +442,7 @@ static ssize_t viotap_write(struct file *file, const char *buf,
        if (op == NULL)
                return -ENOMEM;
 
-       get_dev_info(file->f_dentry->d_inode, &devi);
+       get_dev_info(file->f_path.dentry->d_inode, &devi);
 
        /*
         * We need to make sure we can send a request.  We use
@@ -532,7 +532,7 @@ static ssize_t viotap_read(struct file *file, char *buf, size_t count,
        if (op == NULL)
                return -ENOMEM;
 
-       get_dev_info(file->f_dentry->d_inode, &devi);
+       get_dev_info(file->f_path.dentry->d_inode, &devi);
 
        /*
         * We need to make sure we can send a request.  We use
@@ -612,7 +612,7 @@ static int viotap_ioctl(struct inode *inode, struct file *file,
        if (op == NULL)
                return -ENOMEM;
 
-       get_dev_info(file->f_dentry->d_inode, &devi);
+       get_dev_info(file->f_path.dentry->d_inode, &devi);
 
        down(&reqSem);
 
@@ -777,7 +777,7 @@ static int viotap_open(struct inode *inode, struct file *file)
        if (op == NULL)
                return -ENOMEM;
 
-       get_dev_info(file->f_dentry->d_inode, &devi);
+       get_dev_info(file->f_path.dentry->d_inode, &devi);
 
        /* Note: We currently only support one mode! */
        if ((devi.devno >= viotape_numdev) || (devi.mode)) {
@@ -822,7 +822,7 @@ static int viotap_release(struct inode *inode, struct file *file)
                return -ENOMEM;
        init_completion(&op->com);
 
-       get_dev_info(file->f_dentry->d_inode, &devi);
+       get_dev_info(file->f_path.dentry->d_inode, &devi);
 
        if (devi.devno >= viotape_numdev) {
                ret = -ENODEV;
@@ -872,7 +872,7 @@ free_op:
        return ret;
 }
 
-struct file_operations viotap_fops = {
+const struct file_operations viotap_fops = {
        owner: THIS_MODULE,
        read: viotap_read,
        write: viotap_write,
@@ -997,6 +997,9 @@ int __init viotap_init(void)
        int ret;
        struct proc_dir_entry *e;
 
+       if (!firmware_has_feature(FW_FEATURE_ISERIES))
+               return -ENODEV;
+
        op_struct_list = NULL;
        if ((ret = add_op_structs(VIOTAPE_MAXREQ)) < 0) {
                printk(VIOTAPE_KERN_WARN "couldn't allocate op structs\n");