X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fpcmcia%2Fcm4040_cs.c;h=6181f8a9b0bd0309cb4670dd0d572af91fc8689f;hb=42c59208219a2d43f0dde94bebc68c20b95b13ce;hp=b24a3e7bbb9f23b409a77dfb2ffc4ff93a0c9f26;hpb=203f3394397642f2f9d9ee760f03420459b7a8ef;p=pandora-kernel.git

diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index b24a3e7bbb9f..6181f8a9b0bd 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -26,6 +26,7 @@
 #include <linux/fs.h>
 #include <linux/delay.h>
 #include <linux/poll.h>
+#include <linux/smp_lock.h>
 #include <linux/wait.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -41,13 +42,13 @@
 
 
 #ifdef PCMCIA_DEBUG
-#define reader_to_dev(x)	(&handle_to_dev(x->p_dev->handle))
+#define reader_to_dev(x)	(&handle_to_dev(x->p_dev))
 static int pc_debug = PCMCIA_DEBUG;
 module_param(pc_debug, int, 0600);
 #define DEBUGP(n, rdr, x, args...) do { 				\
 	if (pc_debug >= (n)) 						\
 		dev_printk(KERN_DEBUG, reader_to_dev(rdr), "%s:" x, 	\
-			   __FUNCTION__ , ##args); 			\
+			   __func__ , ##args); 			\
 	} while (0)
 #else
 #define DEBUGP(n, rdr, x, args...)
@@ -448,23 +449,30 @@ static int cm4040_open(struct inode *inode, struct file *filp)
 	struct reader_dev *dev;
 	struct pcmcia_device *link;
 	int minor = iminor(inode);
+	int ret;
 
 	if (minor >= CM_MAX_DEV)
 		return -ENODEV;
 
+	lock_kernel();
 	link = dev_table[minor];
-	if (link == NULL || !pcmcia_dev_present(link))
-		return -ENODEV;
+	if (link == NULL || !pcmcia_dev_present(link)) {
+		ret = -ENODEV;
+		goto out;
+	}
 
-	if (link->open)
-		return -EBUSY;
+	if (link->open) {
+		ret = -EBUSY;
+		goto out;
+	}
 
 	dev = link->priv;
 	filp->private_data = dev;
 
 	if (filp->f_flags & O_NONBLOCK) {
 		DEBUGP(4, dev, "filep->f_flags O_NONBLOCK set\n");
-		return -EAGAIN;
+		ret = -EAGAIN;
+		goto out;
 	}
 
 	link->open = 1;
@@ -473,7 +481,10 @@ static int cm4040_open(struct inode *inode, struct file *filp)
 	mod_timer(&dev->poll_timer, jiffies + POLL_PERIOD);
 
 	DEBUGP(2, dev, "<- cm4040_open (successfully)\n");
-	return nonseekable_open(inode, filp);
+	ret = nonseekable_open(inode, filp);
+out:
+	unlock_kernel();
+	return ret;
 }
 
 static int cm4040_close(struct inode *inode, struct file *filp)
@@ -642,8 +653,7 @@ static int reader_probe(struct pcmcia_device *link)
 		return ret;
 	}
 
-	class_device_create(cmx_class, NULL, MKDEV(major, i), NULL,
-			    "cmx%d", i);
+	device_create(cmx_class, NULL, MKDEV(major, i), "cmx%d", i);
 
 	return 0;
 }
@@ -666,7 +676,7 @@ static void reader_detach(struct pcmcia_device *link)
 	dev_table[devno] = NULL;
 	kfree(dev);
 
-	class_device_destroy(cmx_class, MKDEV(major, devno));
+	device_destroy(cmx_class, MKDEV(major, devno));
 
 	return;
 }