[PATCH] ppc: prom of_node_(get|put) cleanup

From: Mariusz Kozlowski
Date: Tue Jan 02 2007 - 06:30:43 EST


Hello,

This patch removes redundant argument checks for of_node_get() and of_node_put().

Signed-off-by: Mariusz Kozlowski <m.kozlowski@xxxxxxxxxx>

arch/powerpc/kernel/prom.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)

diff -upr linux-2.6.20-rc2-mm1-a/arch/powerpc/kernel/prom.c linux-2.6.20-rc2-mm1-b/arch/powerpc/kernel/prom.c
--- linux-2.6.20-rc2-mm1-a/arch/powerpc/kernel/prom.c 2006-12-24 05:00:32.000000000 +0100
+++ linux-2.6.20-rc2-mm1-b/arch/powerpc/kernel/prom.c 2007-01-02 02:05:47.000000000 +0100
@@ -1221,8 +1221,7 @@ struct device_node *of_find_node_by_name
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
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_n
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_phan
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(st
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(co
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;
}


--
Regards,

Mariusz Kozlowski
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