drivers/serial/uartlite.c: Add missing of_node_put
authorJulia Lawall <julia@diku.dk>
Mon, 10 Dec 2007 23:49:28 +0000 (15:49 -0800)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 11 Dec 2007 03:43:55 +0000 (19:43 -0800)
There should be an of_node_put when breaking out of a loop that iterates
using for_each_compatible_node.

This was detected and fixed using the following semantic patch.
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
identifier d;
type T;
expression e;
iterator for_each_compatible_node;
@@

T *d;
...
for_each_compatible_node(d,...)
  {... when != of_node_put(d)
       when != e = d
(
   return d;
|
+  of_node_put(d);
?  return ...;
)
...}
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/serial/uartlite.c

index a85f2d31a686c69f4f0a076358554bb54016325b..3f593247c41e0d5e9b255720506bd2da2b872249 100644 (file)
@@ -393,6 +393,7 @@ static inline void __init ulite_console_of_find_device(int id)
                        continue;
 
                ulite_ports[id].mapbase = res.start;
+               of_node_put(np);
                return;
        }
 }