[PATCH] new tty buffering access fix

[safe/jmp/linux-2.6] / drivers / pcmcia / pcmcia_ioctl.c

diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index fa2a79d..80969f7 100644 (file)
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -31,7 +31,6 @@
 #include <linux/workqueue.h>
 
 #define IN_CARD_SERVICES
-#include <pcmcia/version.h>
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>
 #include <pcmcia/cistpl.h>
@@ -377,6 +376,7 @@ static int ds_open(struct inode *inode, struct file *file)
     socket_t i = iminor(inode);
     struct pcmcia_socket *s;
     user_info_t *user;
+    static int warning_printed = 0;
 
     ds_dbg(0, "ds_open(socket %d)\n", i);
 
@@ -408,6 +408,17 @@ static int ds_open(struct inode *inode, struct file *file)
     s->user = user;
     file->private_data = user;
 
+    if (!warning_printed) {
+           printk(KERN_INFO "pcmcia: Detected deprecated PCMCIA ioctl "
+                       "usage.\n");
+           printk(KERN_INFO "pcmcia: This interface will soon be removed from "
+                       "the kernel; please expect breakage unless you upgrade "
+                       "to new tools.\n");
+           printk(KERN_INFO "pcmcia: see http://www.kernel.org/pub/linux/"
+                       "utils/kernel/pcmcia/pcmcia.html for details.\n");
+           warning_printed = 1;
+    }
+
     if (s->pcmcia_state.present)
        queue_event(user, CS_EVENT_CARD_INSERTION);
     return 0;
@@ -568,9 +579,6 @@ static int ds_ioctl(struct inode * inode, struct file * file,
     case DS_ADJUST_RESOURCE_INFO:
        ret = pcmcia_adjust_resource_info(&buf->adjust);
        break;
-    case DS_GET_CARD_SERVICES_INFO:
-       ret = pcmcia_get_card_services_info(&buf->servinfo);
-       break;
     case DS_GET_CONFIGURATION_INFO:
        if (buf->config.Function &&
           (buf->config.Function >= s->functions))
@@ -737,9 +745,9 @@ void __init pcmcia_setup_ioctl(void) {
 
        /* Set up character device for user mode clients */
        i = register_chrdev(0, "pcmcia", &ds_fops);
-       if (i == -EBUSY)
+       if (i < 0)
                printk(KERN_NOTICE "unable to find a free device # for "
-                      "Driver Services\n");
+                      "Driver Services (error=%d)\n", i);
        else
                major_dev = i;