ChangeSet 1.1006.11.6, 2003/03/14 10:47:15-08:00, [EMAIL PROTECTED]
[PATCH] Memleak in KOBIL USB Smart Card Terminal Driver
There is a memleak on error exit path in KOBIL USB Smart Card Terminal
Driver in both current 2.4 and 2.5.
See the patch.
Found with help of smatch + enhanced unfree script.
drivers/usb/serial/kobil_sct.c | 2 ++
1 files changed, 2 insertions(+)
diff -Nru a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
--- a/drivers/usb/serial/kobil_sct.c Thu Mar 27 16:02:31 2003
+++ b/drivers/usb/serial/kobil_sct.c Thu Mar 27 16:02:31 2003
@@ -254,6 +254,7 @@
port->write_urb = usb_alloc_urb(0);
if (!port->write_urb) {
dbg("%s - port %d usb_alloc_urb failed", __FUNCTION__,
port->number);
+ kfree(transfer_buffer);
return -1;
}
}
@@ -261,6 +262,7 @@
// allocate memory for write_urb transfer buffer
port->write_urb->transfer_buffer = (unsigned char *)
kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL);
if (! port->write_urb->transfer_buffer) {
+ kfree(transfer_buffer);
return -1;
}
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