Merge ../scsi-misc-2.6

[linux-3.10.git] / drivers / scsi / sg.c

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 98b9312ba8da233344751ea5a9820f0a3becc102..65eef33846bb1eca61111e40ef2fb6d4a7d8dac3 100644 (file)
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -28,7 +28,6 @@ static int sg_version_num = 30533;    /* 2 digits for each component */
  *        (otherwise the macros compile to empty statements).
  *
  */
-#include <linux/config.h>
 #include <linux/module.h>
 
 #include <linux/fs.h>
@@ -1402,6 +1401,7 @@ sg_add(struct class_device *cl_dev, struct class_interface *cl_intf)
        Sg_device *sdp = NULL;
        struct cdev * cdev = NULL;
        int error, k;
+       unsigned long iflags;
 
        disk = alloc_disk(1);
        if (!disk) {
@@ -1429,7 +1429,7 @@ sg_add(struct class_device *cl_dev, struct class_interface *cl_intf)
 
        error = cdev_add(cdev, MKDEV(SCSI_GENERIC_MAJOR, k), 1);
        if (error)
-               goto out;
+               goto cdev_add_err;
 
        sdp->cdev = cdev;
        if (sg_sysfs_valid) {
@@ -1456,6 +1456,13 @@ sg_add(struct class_device *cl_dev, struct class_interface *cl_intf)
 
        return 0;
 
+cdev_add_err:
+       write_lock_irqsave(&sg_dev_arr_lock, iflags);
+       kfree(sg_dev_arr[k]);
+       sg_dev_arr[k] = NULL;
+       sg_nr_dev--;
+       write_unlock_irqrestore(&sg_dev_arr_lock, iflags);
+
 out:
        put_disk(disk);
        if (cdev)