isdn/gigaset: fix leaks in error path

Take care to free all previously allocated ressources in the
"out of memory" error path of the ISDN_CMD_DIAL branch.
Based on an original patch by Dan Carpenter.

Impact: bugfix
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Acked-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index 1d084bb..34bca37 100644 (file)
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -419,6 +419,8 @@ oom:
        dev_err(bcs->cs->dev, "out of memory\n");
        for (i = 0; i < AT_NUM; ++i)
                kfree(commands[i]);
+       kfree(commands);
+       gigaset_free_channel(bcs);
        return -ENOMEM;
 }