avr32: fix error return code

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Convert a zero return value on error to a negative one, as returned
elsewhere in the function.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>

...

This commit is contained in:

Julia Lawall 2014-08-07 14:49:05 +02:00 • committed by Hans-Christian Egtvedt

parent 19583ca584

commit 686913aa9f

1 changed files with 8 additions and 3 deletions

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arch/avr32/boards/hammerhead/flash.c

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