usb: microtek possible memleak fix
Possible memleak fix on error path. The changes:
- out_kfree2 and out_free_urb replaced
- missing scsi_host_put() added
Here it goes:
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Oliver Neukum <oliver@neukum.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c
index 3038ed0..8ccddf7 100644
--- a/drivers/usb/image/microtek.c
+++ b/drivers/usb/image/microtek.c
@@ -796,7 +796,7 @@
new_desc->context.scsi_status = kmalloc(1, GFP_KERNEL);
if (!new_desc->context.scsi_status)
- goto out_kfree2;
+ goto out_free_urb;
new_desc->usb_dev = dev;
new_desc->usb_intf = intf;
@@ -822,18 +822,20 @@
new_desc->host = scsi_host_alloc(&mts_scsi_host_template,
sizeof(new_desc));
if (!new_desc->host)
- goto out_free_urb;
+ goto out_kfree2;
new_desc->host->hostdata[0] = (unsigned long)new_desc;
if (scsi_add_host(new_desc->host, NULL)) {
err_retval = -EIO;
- goto out_free_urb;
+ goto out_host_put;
}
scsi_scan_host(new_desc->host);
usb_set_intfdata(intf, new_desc);
return 0;
+ out_host_put:
+ scsi_host_put(new_desc->host);
out_kfree2:
kfree(new_desc->context.scsi_status);
out_free_urb:
