From: Julia Lawall Julia.Lawall@lip6.fr

Delete successive tests to the same location.

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) *if ( (x == NULL|IS_ERR(x)|y != 0) ) { ... when forall return ...; } // </smpl>

Signed-off-by: Julia Lawall Julia.Lawall@lip6.fr

--- drivers/gpu/drm/tilcdc/tilcdc_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index c5b592d..3ad0a63 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -192,7 +192,7 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags) }

priv->disp_clk = clk_get(dev->dev, "dpll_disp_ck"); - if (IS_ERR(priv->clk)) { + if (IS_ERR(priv->disp_clk)) { dev_err(dev->dev, "failed to get display clock\n"); ret = -ENODEV; goto fail;