From: Julia Lawall <julia.lawall@lip6.fr>
Date: Sun, 6 Jan 2013 20:46:23 +0000 (-0800)
Subject: 88pm860x_battery: Eliminate possible references to released resources
X-Git-Tag: v3.9-rc1~151^2~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0853699252afdeece69c9127d57fd367d3c04a35;p=pandora-kernel.git

88pm860x_battery: Eliminate possible references to released resources

devm_kzalloc should not be followed by kfree, as this results in a double
free.  The problem was found using the following semantic match
(http://coccinelle.lip6.fr/):

// <smpl>
@@
expression x,e;
@@
x = devm_kzalloc(...)
... when != x = e
?-kfree(x,...);
// </smpl>

Furthermore, in the remove function, the calls to free_irq are moved up to
prevent a possible reference in the interrupt handler to resources freed by
power_supply_unregister.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
---

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