On Jan 21, 2013, at 7:02 AM, Julia Lawall wrote: > From: Julia Lawall <julia.law...@lip6.fr> > > Delete successive tests to the same location. The code tested the result > of a previous call, that itself was already tested. It is changed to test > the result of the most recent call. > > A simplified version of the semantic match that finds this problem is as > follows: (http://coccinelle.lip6.fr/) > > // <smpl> > @s exists@ > local idexpression y; > expression x,e; > @@ > > *if ( \(x == NULL\|IS_ERR(x)\|y != 0\) ) > { ... when forall > return ...; } > ... when != \(y = e\|y += e\|y -= e\|y |= e\|y &= e\|y++\|y--\|&y\) > when != \(XT_GETPAGE(...,y)\|WMI_CMD_BUF(...)\) > *if ( \(x == NULL\|IS_ERR(x)\|y != 0\) ) > { ... when forall > return ...; } > // </smpl> > > Signed-off-by: Julia Lawall <julia.law...@lip6.fr> > > --- > arch/powerpc/platforms/85xx/p1022_ds.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-)
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