1 files changed, 30 insertions, 18 deletions

diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 03c71f7698cb..261107d1457c 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -19,6 +19,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/fs.h>
@@ -32,6 +34,7 @@
 #include <linux/blkdev.h>
 #include <linux/interrupt.h>
 #include <linux/device.h>
+#include <linux/smp_lock.h>
 #include <linux/wait.h>
 #include <linux/workqueue.h>
 #include <linux/platform_device.h>
@@ -339,8 +342,7 @@ static int gdrom_get_last_session(struct cdrom_device_info *cd_info,
                 tocuse = 0;
                 err = gdrom_readtoc_cmd(gd.toc, 0);
                 if (err) {
-                        printk(KERN_INFO "GDROM: Could not get CD "
-                                "table of contents\n");
+                        pr_info("Could not get CD table of contents\n");
                         return -ENXIO;
                 }
         }
@@ -357,8 +359,7 @@ static int gdrom_get_last_session(struct cdrom_device_info *cd_info,
         } while (track >= fentry);
 
         if ((track > 100) || (track < get_entry_track(gd.toc->first))) {
-                printk(KERN_INFO "GDROM: No data on the last "
-                        "session of the CD\n");
+                pr_info("No data on the last session of the CD\n");
                 gdrom_getsense(NULL);
                 return -ENXIO;
         }
@@ -451,14 +452,14 @@ static int gdrom_getsense(short *bufstring)
                 goto cleanup_sense;
         insw(GDROM_DATA_REG, &sense, sense_command->buflen/2);
         if (sense[1] & 40) {
-                printk(KERN_INFO "GDROM: Drive not ready - command aborted\n");
+                pr_info("Drive not ready - command aborted\n");
                 goto cleanup_sense;
         }
         sense_key = sense[1] & 0x0F;
         if (sense_key < ARRAY_SIZE(sense_texts))
-                printk(KERN_INFO "GDROM: %s\n", sense_texts[sense_key].text);
+                pr_info("%s\n", sense_texts[sense_key].text);
         else
-                printk(KERN_ERR "GDROM: Unknown sense key: %d\n", sense_key);
+                pr_err("Unknown sense key: %d\n", sense_key);
         if (bufstring) /* return addional sense data */
                 memcpy(bufstring, &sense[4], 2);
         if (sense_key < 2)
@@ -492,12 +493,18 @@ static struct cdrom_device_ops gdrom_ops = {
 
 static int gdrom_bdops_open(struct block_device *bdev, fmode_t mode)
 {
-        return cdrom_open(gd.cd_info, bdev, mode);
+        int ret;
+        lock_kernel();
+        ret = cdrom_open(gd.cd_info, bdev, mode);
+        unlock_kernel();
+        return ret;
 }
 
 static int gdrom_bdops_release(struct gendisk *disk, fmode_t mode)
 {
+        lock_kernel();
         cdrom_release(gd.cd_info, mode);
+        unlock_kernel();
         return 0;
 }
 
@@ -509,7 +516,13 @@ static int gdrom_bdops_mediachanged(struct gendisk *disk)
 static int gdrom_bdops_ioctl(struct block_device *bdev, fmode_t mode,
         unsigned cmd, unsigned long arg)
 {
-        return cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg);
+        int ret;
+
+        lock_kernel();
+        ret = cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg);
+        unlock_kernel();
+
+        return ret;
 }
 
 static const struct block_device_operations gdrom_bdops = {
@@ -517,7 +530,7 @@ static const struct block_device_operations gdrom_bdops = {
         .open                   = gdrom_bdops_open,
         .release                = gdrom_bdops_release,
         .media_changed          = gdrom_bdops_mediachanged,
-        .locked_ioctl           = gdrom_bdops_ioctl,
+        .ioctl                  = gdrom_bdops_ioctl,
 };
 
 static irqreturn_t gdrom_command_interrupt(int irq, void *dev_id)
@@ -643,14 +656,13 @@ static void gdrom_request(struct request_queue *rq)
         struct request *req;
 
         while ((req = blk_fetch_request(rq)) != NULL) {
-                if (!blk_fs_request(req)) {
-                        printk(KERN_DEBUG "GDROM: Non-fs request ignored\n");
+                if (req->cmd_type != REQ_TYPE_FS) {
+                        printk(KERN_DEBUG "gdrom: Non-fs request ignored\n");
                         __blk_end_request_all(req, -EIO);
                         continue;
                 }
                 if (rq_data_dir(req) != READ) {
-                        printk(KERN_NOTICE "GDROM: Read only device -");
-                        printk(" write request ignored\n");
+                        pr_notice("Read only device - write request ignored\n");
                         __blk_end_request_all(req, -EIO);
                         continue;
                 }
@@ -685,7 +697,7 @@ static int __devinit gdrom_outputversion(void)
         firmw_ver = kstrndup(id->firmver, 16, GFP_KERNEL);
         if (!firmw_ver)
                 goto free_manuf_name;
-        printk(KERN_INFO "GDROM: %s from %s with firmware %s\n",
+        pr_info("%s from %s with firmware %s\n",
                 model_name, manuf_name, firmw_ver);
         err = 0;
         kfree(firmw_ver);
@@ -757,7 +769,7 @@ static int __devinit probe_gdrom(struct platform_device *devptr)
         int err;
         /* Start the device */
         if (gdrom_execute_diagnostic() != 1) {
-                printk(KERN_WARNING "GDROM: ATA Probe for GDROM failed.\n");
+                pr_warning("ATA Probe for GDROM failed\n");
                 return -ENODEV;
         }
         /* Print out firmware ID */
@@ -767,7 +779,7 @@ static int __devinit probe_gdrom(struct platform_device *devptr)
         gdrom_major = register_blkdev(0, GDROM_DEV_NAME);
         if (gdrom_major <= 0)
                 return gdrom_major;
-        printk(KERN_INFO "GDROM: Registered with major number %d\n",
+        pr_info("Registered with major number %d\n",
                 gdrom_major);
         /* Specify basic properties of drive */
         gd.cd_info = kzalloc(sizeof(struct cdrom_device_info), GFP_KERNEL);
@@ -818,7 +830,7 @@ probe_fail_no_disk:
         unregister_blkdev(gdrom_major, GDROM_DEV_NAME);
         gdrom_major = 0;
 probe_fail_no_mem:
-        printk(KERN_WARNING "GDROM: Probe failed - error is 0x%X\n", err);
+        pr_warning("Probe failed - error is 0x%X\n", err);
         return err;
 }