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authorJulia Lawall <julia@diku.dk>2008-06-09 22:21:51 +1000
committerPaul Mackerras <paulus@samba.org>2008-06-16 15:00:39 +1000
commit958a65f205fdc5ce5461d79376073b89acc51b31 (patch)
treeea5831ca25e8468929baa37a0516a2da15f5b882
parent8b9dba2ce28f64246198704b23f133bed5429e62 (diff)
[POWERPC] Add missing of_node_put in drivers/macintosh/therm_adt746x.c
of_node_put is needed before discarding a value received from of_find_node_by_name, eg in error handling code. The semantic patch that makes the change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ struct device_node *n; struct device_node *n1; statement S; identifier f; expression E; constant C; @@ n = of_find_node_by_name(...) ... if (!n) S ... when != of_node_put(n) when != n1 = f(n,...) when != E = n when any when strict ( + of_node_put(n); return -C; | of_node_put(n); | n1 = f(n,...) | E = n | return ...; ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
-rw-r--r--drivers/macintosh/therm_adt746x.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c
index 54f4942..5366dc93 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -562,18 +562,24 @@ thermostat_init(void)
therm_type = ADT7460;
else if (of_device_is_compatible(np, "adt7467"))
therm_type = ADT7467;
- else
+ else {
+ of_node_put(np);
return -ENODEV;
+ }
prop = of_get_property(np, "hwsensor-params-version", NULL);
printk(KERN_INFO "adt746x: version %d (%ssupported)\n", *prop,
(*prop == 1)?"":"un");
- if (*prop != 1)
+ if (*prop != 1) {
+ of_node_put(np);
return -ENODEV;
+ }
prop = of_get_property(np, "reg", NULL);
- if (!prop)
+ if (!prop) {
+ of_node_put(np);
return -ENODEV;
+ }
/* look for bus either by path or using "reg" */
if (strstr(np->full_name, "/i2c-bus@") != NULL) {
@@ -610,6 +616,7 @@ thermostat_init(void)
if (of_dev == NULL) {
printk(KERN_ERR "Can't register temperatures device !\n");
+ of_node_put(np);
return -ENODEV;
}