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authorJulia Lawall <julia@diku.dk>2010-09-04 00:12:43 +0000
committerDavid S. Miller <davem@davemloft.net>2010-09-06 18:29:17 -0700
commite8f7f43a4ad451ecfb2689985f99a9e276a08bba (patch)
tree013683284acf99afd3530a7751680fa0dab53bfc /fs
parent1fd63041c49c5c6ed1fe58b7bccc2de462d51e2b (diff)
drivers/net/fs_enet/fs_enet-main.c: Add of_node_put to avoid memory leak
In this case, a device_node structure is stored in another structure that is then freed without first decrementing the reference count of the device_node structure. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression x; identifier f; position p1,p2; @@ x@p1->f = \(of_find_node_by_path\|of_find_node_by_name\|of_find_node_by_phandle\|of_get_parent\|of_get_next_parent\|of_get_next_child\|of_find_compatible_node\|of_match_node\|of_find_node_by_type\|of_find_node_with_property\|of_find_matching_node\|of_parse_phandle\|of_node_get\)(...); ... when != of_node_put(x) kfree@p2(x) @script:python@ p1 << r.p1; p2 << r.p2; @@ cocci.print_main("call",p1) cocci.print_secs("free",p2) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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