diff options
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index b098942445ec..65eef33846bb 100644 --- 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) @@ -2635,8 +2642,7 @@ static int sg_proc_init(void) { int k, mask; - int num_leaves = - sizeof (sg_proc_leaf_arr) / sizeof (sg_proc_leaf_arr[0]); + int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr); struct proc_dir_entry *pdep; struct sg_proc_leaf * leaf; @@ -2661,8 +2667,7 @@ static void sg_proc_cleanup(void) { int k; - int num_leaves = - sizeof (sg_proc_leaf_arr) / sizeof (sg_proc_leaf_arr[0]); + int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr); if (!sg_proc_sgp) return; |