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[POWERPC] arch/ppc/kernel/prom.c of_node_(get|put) cleanup

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Remove redundant argument checks for of_node_get() and of_node_put().

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Mariusz Kozlowski 2007-01-02 12:31:47 +01:00 committed by Paul Mackerras
parent a2894cfb3a
commit b137405143
1 changed files with 6 additions and 12 deletions
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18
arch/powerpc/kernel/prom.c
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@ -1221,8 +1221,7 @@ struct device_node *of_find_node_by_name(struct device_node *from,
if (np->name != NULL && strcasecmp(np->name, name) == 0
&& of_node_get(np))
break;
if (from)
of_node_put(from);
of_node_put(from);
read_unlock(&devtree_lock);
return np;
}
@ -1250,8 +1249,7 @@ struct device_node *of_find_node_by_type(struct device_node *from,
if (np->type != 0 && strcasecmp(np->type, type) == 0
&& of_node_get(np))
break;
if (from)
of_node_put(from);
of_node_put(from);
read_unlock(&devtree_lock);
return np;
}
@ -1285,8 +1283,7 @@ struct device_node *of_find_compatible_node(struct device_node *from,
if (device_is_compatible(np, compatible) && of_node_get(np))
break;
}
if (from)
of_node_put(from);
of_node_put(from);
read_unlock(&devtree_lock);
return np;
}
@ -1329,8 +1326,7 @@ struct device_node *of_find_node_by_phandle(phandle handle)
for (np = allnodes; np != 0; np = np->allnext)
if (np->linux_phandle == handle)
break;
if (np)
of_node_get(np);
of_node_get(np);
read_unlock(&devtree_lock);
return np;
}
@ -1353,8 +1349,7 @@ struct device_node *of_find_all_nodes(struct device_node *prev)
for (; np != 0; np = np->allnext)
if (of_node_get(np))
break;
if (prev)
of_node_put(prev);
of_node_put(prev);
read_unlock(&devtree_lock);
return np;
}
@ -1399,8 +1394,7 @@ struct device_node *of_get_next_child(const struct device_node *node,
for (; next != 0; next = next->sibling)
if (of_node_get(next))
break;
if (prev)
of_node_put(prev);
of_node_put(prev);
read_unlock(&devtree_lock);
return next;
}