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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>
This commit is contained in:
Tilman Schmidt 2010-07-05 14:19:19 +00:00 committed by David S. Miller
parent 7d060ed287
commit 54438f9dfc
1 changed files with 2 additions and 0 deletions
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2
drivers/isdn/gigaset/i4l.c
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@ -419,6 +419,8 @@ static int command_from_LL(isdn_ctrl *cntrl)
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;
}