Please ignore. Wrong patch set. On Sun, 5 Apr 2015, Julia Lawall wrote:
> From: Julia Lawall <[email protected]> > > In the first case, the second test of whether retval is negative is > redundant. It is dropped and the previous and subsequent tests are > combined. > > In the second case, add an initialization of retval on failure of ioremap. > > A simplified version of the semantic match that finds this problem is as > follows: (http://coccinelle.lip6.fr/) > > // <smpl> > ( > if@p1 (\(ret < 0\|ret != 0\)) > { ... return ret; } > | > ret@p1 = 0 > ) > ... when != ret = e1 > when != &ret > *if(...) > { > ... when != ret = e2 > when forall > return ret; > } > > // </smpl> > > Signed-off-by: Julia Lawall <[email protected]> > > --- > sound/atmel/ac97c.c | 12 ++++-------- > 1 file changed, 4 insertions(+), 8 deletions(-) > > diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c > index 3c8d3ba..9052aff 100644 > --- a/sound/atmel/ac97c.c > +++ b/sound/atmel/ac97c.c > @@ -278,14 +278,9 @@ static int atmel_ac97c_capture_hw_params(struct > snd_pcm_substream *substream, > if (retval < 0) > return retval; > /* snd_pcm_lib_malloc_pages returns 1 if buffer is changed. */ > - if (cpu_is_at32ap7000()) { > - if (retval < 0) > - return retval; > - /* snd_pcm_lib_malloc_pages returns 1 if buffer is changed. */ > - if (retval == 1) > - if (test_and_clear_bit(DMA_RX_READY, &chip->flags)) > - dw_dma_cyclic_free(chip->dma.rx_chan); > - } > + if (cpu_is_at32ap7000() && retval == 1) > + if (test_and_clear_bit(DMA_RX_READY, &chip->flags)) > + dw_dma_cyclic_free(chip->dma.rx_chan); > > /* Set restrictions to params. */ > mutex_lock(&opened_mutex); > @@ -980,6 +975,7 @@ static int __devinit atmel_ac97c_probe(struct > platform_device *pdev) > > if (!chip->regs) { > dev_dbg(&pdev->dev, "could not remap register memory\n"); > + retval = -ENOMEM; > goto err_ioremap; > } > > > -- > To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
