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path: root/drivers/usb/serial/ipaq.c
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Diffstat (limited to 'drivers/usb/serial/ipaq.c')
-rw-r--r--drivers/usb/serial/ipaq.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index 832a5a4f3cb..cd9a2e138c8 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -651,15 +651,17 @@ static int ipaq_open(struct tty_struct *tty,
*/
kfree(port->bulk_in_buffer);
+ kfree(port->bulk_out_buffer);
+ /* make sure the generic serial code knows */
+ port->bulk_out_buffer = NULL;
+
port->bulk_in_buffer = kmalloc(URBDATA_SIZE, GFP_KERNEL);
- if (port->bulk_in_buffer == NULL) {
- port->bulk_out_buffer = NULL; /* prevent double free */
+ if (port->bulk_in_buffer == NULL)
goto enomem;
- }
- kfree(port->bulk_out_buffer);
port->bulk_out_buffer = kmalloc(URBDATA_SIZE, GFP_KERNEL);
if (port->bulk_out_buffer == NULL) {
+ /* the buffer is useless, free it */
kfree(port->bulk_in_buffer);
port->bulk_in_buffer = NULL;
goto enomem;