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ALSA: Deletion of checks before the function call "iounmap"

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The iounmap() function performs also input parameter validation.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Markus Elfring 2015-01-03 22:55:54 +01:00 committed by Takashi Iwai
parent b76c0e95ab
commit ff6defa6a8
26 changed files with 43 additions and 90 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
sound/aoa/soundbus/i2sbus/core.c
View File

@ -74,10 +74,9 @@ static void i2sbus_release_dev(struct device *dev)
int i;
i2sdev = container_of(dev, struct i2sbus_dev, sound.ofdev.dev);
if (i2sdev->intfregs) iounmap(i2sdev->intfregs);
if (i2sdev->out.dbdma) iounmap(i2sdev->out.dbdma);
if (i2sdev->in.dbdma) iounmap(i2sdev->in.dbdma);
iounmap(i2sdev->intfregs);
iounmap(i2sdev->out.dbdma);
iounmap(i2sdev->in.dbdma);
for (i = aoa_resource_i2smmio; i <= aoa_resource_rxdbdma; i++)
release_and_free_resource(i2sdev->allocated_resource[i]);
free_dbdma_descriptor_ring(i2sdev, &i2sdev->out.dbdma_ring);
@ -318,9 +317,9 @@ static int i2sbus_add_dev(struct macio_dev *macio,
free_irq(dev->interrupts[i], dev);
free_dbdma_descriptor_ring(dev, &dev->out.dbdma_ring);
free_dbdma_descriptor_ring(dev, &dev->in.dbdma_ring);
if (dev->intfregs) iounmap(dev->intfregs);
if (dev->out.dbdma) iounmap(dev->out.dbdma);
if (dev->in.dbdma) iounmap(dev->in.dbdma);
iounmap(dev->intfregs);
iounmap(dev->out.dbdma);
iounmap(dev->in.dbdma);
for (i=0;i<3;i++)
release_and_free_resource(dev->allocated_resource[i]);
mutex_destroy(&dev->lock);

4
sound/arm/aaci.c
View File

@ -889,8 +889,8 @@ static int aaci_probe_ac97(struct aaci *aaci)
static void aaci_free_card(struct snd_card *card)
{
struct aaci *aaci = card->private_data;
if (aaci->base)
iounmap(aaci->base);
iounmap(aaci->base);
}
static struct aaci *aaci_init_card(struct amba_device *dev)

3
sound/drivers/ml403-ac97cr.c
View File

@ -1094,8 +1094,7 @@ static int snd_ml403_ac97cr_free(struct snd_ml403_ac97cr *ml403_ac97cr)
if (ml403_ac97cr->capture_irq >= 0)
free_irq(ml403_ac97cr->capture_irq, ml403_ac97cr);
/* give back "port" */
if (ml403_ac97cr->port != NULL)
iounmap(ml403_ac97cr->port);
iounmap(ml403_ac97cr->port);
kfree(ml403_ac97cr);
PDEBUG(INIT_INFO, "free(): (done)\n");
return 0;

3
sound/isa/msnd/msnd_pinnacle.c
View File

@ -627,8 +627,7 @@ static int snd_msnd_attach(struct snd_card *card)
return 0;
err_release_region:
if (chip->mappedbase)
iounmap(chip->mappedbase);
iounmap(chip->mappedbase);
release_mem_region(chip->base, BUFFSIZE);
release_region(chip->io, DSP_NUMIO);
free_irq(chip->irq, chip);

4
sound/parisc/harmony.c
View File

@ -893,9 +893,7 @@ snd_harmony_free(struct snd_harmony *h)
if (h->irq >= 0)
free_irq(h->irq, h);
if (h->iobase)
iounmap(h->iobase);
iounmap(h->iobase);
kfree(h);
return 0;
}

5
sound/pci/ad1889.c
View File

@ -853,12 +853,9 @@ snd_ad1889_free(struct snd_ad1889 *chip)
free_irq(chip->irq, chip);
skip_hw:
if (chip->iobase)
iounmap(chip->iobase);
iounmap(chip->iobase);
pci_release_regions(chip->pci);
pci_disable_device(chip->pci);
kfree(chip);
return 0;
}

6
sound/pci/asihpi/hpioctl.c
View File

@ -541,10 +541,8 @@ void asihpi_adapter_remove(struct pci_dev *pci_dev)
hpi_send_recv_ex(&hm, &hr, HOWNER_KERNEL);
/* unmap PCI memory space, mapped during device init. */
for (idx = 0; idx < HPI_MAX_ADAPTER_MEM_SPACES; idx++) {
if (pci.ap_mem_base[idx])
iounmap(pci.ap_mem_base[idx]);
}
for (idx = 0; idx < HPI_MAX_ADAPTER_MEM_SPACES; ++idx)
iounmap(pci.ap_mem_base[idx]);
if (pa->irq)
free_irq(pa->irq, pa);

3
sound/pci/atiixp.c
View File

@ -1585,8 +1585,7 @@ static int snd_atiixp_free(struct atiixp *chip)
__hw_end:
if (chip->irq >= 0)
free_irq(chip->irq, chip);
if (chip->remap_addr)
iounmap(chip->remap_addr);
iounmap(chip->remap_addr);
pci_release_regions(chip->pci);
pci_disable_device(chip->pci);
kfree(chip);

3
sound/pci/atiixp_modem.c
View File

@ -1211,8 +1211,7 @@ static int snd_atiixp_free(struct atiixp_modem *chip)
__hw_end:
if (chip->irq >= 0)
free_irq(chip->irq, chip);
if (chip->remap_addr)
iounmap(chip->remap_addr);
iounmap(chip->remap_addr);
pci_release_regions(chip->pci);
pci_disable_device(chip->pci);
kfree(chip);

4
sound/pci/aw2/aw2-alsa.c
View File

@ -229,9 +229,7 @@ static int snd_aw2_dev_free(struct snd_device *device)
if (chip->irq >= 0)
free_irq(chip->irq, (void *)chip);
/* release the i/o ports & memory */
if (chip->iobase_virt)
iounmap(chip->iobase_virt);
iounmap(chip->iobase_virt);
pci_release_regions(chip->pci);
/* disable the PCI entry */
pci_disable_device(chip->pci);

3
sound/pci/bt87x.c
View File

@ -690,8 +690,7 @@ static int snd_bt87x_free(struct snd_bt87x *chip)
snd_bt87x_stop(chip);
if (chip->irq >= 0)
free_irq(chip->irq, chip);
if (chip->mmio)
iounmap(chip->mmio);
iounmap(chip->mmio);
pci_release_regions(chip->pci);
pci_disable_device(chip->pci);
kfree(chip);

6
sound/pci/cs4281.c
View File

@ -1316,10 +1316,8 @@ static int snd_cs4281_free(struct cs4281 *chip)
if (chip->irq >= 0)
free_irq(chip->irq, chip);
if (chip->ba0)
iounmap(chip->ba0);
if (chip->ba1)
iounmap(chip->ba1);
iounmap(chip->ba0);
iounmap(chip->ba1);
pci_release_regions(chip->pci);
pci_disable_device(chip->pci);

4
sound/pci/cs46xx/cs46xx_lib.c
View File

@ -2949,8 +2949,8 @@ static int snd_cs46xx_free(struct snd_cs46xx *chip)
for (idx = 0; idx < 5; idx++) {
struct snd_cs46xx_region *region = &chip->region.idx[idx];
if (region->remap_addr)
iounmap(region->remap_addr);
iounmap(region->remap_addr);
release_and_free_resource(region->resource);
}

5
sound/pci/ctxfi/cthw20k1.c
View File

@ -1985,10 +1985,7 @@ static int hw_card_shutdown(struct hw *hw)
free_irq(hw->irq, hw);
hw->irq = -1;
if (hw->mem_base)
iounmap(hw->mem_base);
iounmap(hw->mem_base);
hw->mem_base = NULL;
if (hw->io_base)

5
sound/pci/ctxfi/cthw20k2.c
View File

@ -2110,10 +2110,7 @@ static int hw_card_shutdown(struct hw *hw)
free_irq(hw->irq, hw);
hw->irq = -1;
if (hw->mem_base)
iounmap(hw->mem_base);
iounmap(hw->mem_base);
hw->mem_base = NULL;
if (hw->io_base)

6
sound/pci/echoaudio/echoaudio.c
View File

@ -1872,12 +1872,8 @@ static int snd_echo_free(struct echoaudio *chip)
if (chip->comm_page)
snd_dma_free_pages(&chip->commpage_dma_buf);
if (chip->dsp_registers)
iounmap(chip->dsp_registers);
iounmap(chip->dsp_registers);
release_and_free_resource(chip->iores);
pci_disable_device(chip->pci);
/* release chip data */

3
sound/pci/hda/hda_intel.c
View File

@ -1138,8 +1138,7 @@ static int azx_free(struct azx *chip)
free_irq(chip->irq, (void*)chip);
if (chip->msi)
pci_disable_msi(chip->pci);
if (chip->remap_addr)
iounmap(chip->remap_addr);
iounmap(chip->remap_addr);
azx_free_stream_pages(chip);
if (chip->region_requested)

6
sound/pci/lola/lola.c
View File

@ -551,10 +551,8 @@ static void lola_free(struct lola *chip)
lola_free_mixer(chip);
if (chip->irq >= 0)
free_irq(chip->irq, (void *)chip);
if (chip->bar[0].remap_addr)
iounmap(chip->bar[0].remap_addr);
if (chip->bar[1].remap_addr)
iounmap(chip->bar[1].remap_addr);
iounmap(chip->bar[0].remap_addr);
iounmap(chip->bar[1].remap_addr);
if (chip->rb.area)
snd_dma_free_pages(&chip->rb);
pci_release_regions(chip->pci);

7
sound/pci/mixart/mixart.c
View File

@ -1114,10 +1114,9 @@ static int snd_mixart_free(struct mixart_mgr *mgr)
}
/* release the i/o ports */
for (i = 0; i < 2; i++) {
if (mgr->mem[i].virt)
iounmap(mgr->mem[i].virt);
}
for (i = 0; i < 2; ++i)
iounmap(mgr->mem[i].virt);
pci_release_regions(mgr->pci);
/* free flowarray */

6
sound/pci/nm256/nm256.c
View File

@ -1460,10 +1460,8 @@ static int snd_nm256_free(struct nm256 *chip)
if (chip->irq >= 0)
free_irq(chip->irq, chip);
if (chip->cport)
iounmap(chip->cport);
if (chip->buffer)
iounmap(chip->buffer);
iounmap(chip->cport);
iounmap(chip->buffer);
release_and_free_resource(chip->res_cport);
release_and_free_resource(chip->res_buffer);

4
sound/pci/rme9652/hdsp.c
View File

@ -5309,9 +5309,7 @@ static int snd_hdsp_free(struct hdsp *hdsp)
release_firmware(hdsp->firmware);
vfree(hdsp->fw_uploaded);
if (hdsp->iobase)
iounmap(hdsp->iobase);
iounmap(hdsp->iobase);
if (hdsp->port)
pci_release_regions(hdsp->pci);

4
sound/pci/rme9652/hdspm.c
View File

@ -6965,9 +6965,7 @@ static int snd_hdspm_free(struct hdspm * hdspm)
free_irq(hdspm->irq, (void *) hdspm);
kfree(hdspm->mixer);
if (hdspm->iobase)
iounmap(hdspm->iobase);
iounmap(hdspm->iobase);
if (hdspm->port)
pci_release_regions(hdspm->pci);

3
sound/pci/rme9652/rme9652.c
View File

@ -1756,8 +1756,7 @@ static int snd_rme9652_free(struct snd_rme9652 *rme9652)
if (rme9652->irq >= 0)
free_irq(rme9652->irq, (void *)rme9652);
if (rme9652->iobase)
iounmap(rme9652->iobase);
iounmap(rme9652->iobase);
if (rme9652->port)
pci_release_regions(rme9652->pci);

5
sound/pci/sis7019.c
View File

@ -1064,12 +1064,9 @@ static int sis_chip_free(struct sis7019 *sis)
if (sis->irq >= 0)
free_irq(sis->irq, sis);
if (sis->ioaddr)
iounmap(sis->ioaddr);
iounmap(sis->ioaddr);
pci_release_regions(sis->pci);
pci_disable_device(sis->pci);
sis_free_suspend(sis);
return 0;
}

3
sound/pci/ymfpci/ymfpci_main.c
View File

@ -2246,8 +2246,7 @@ static int snd_ymfpci_free(struct snd_ymfpci *chip)
release_and_free_resource(chip->mpu_res);
release_and_free_resource(chip->fm_res);
snd_ymfpci_free_gameport(chip);
if (chip->reg_area_virt)
iounmap(chip->reg_area_virt);
iounmap(chip->reg_area_virt);
if (chip->work_ptr.area)
snd_dma_free_pages(&chip->work_ptr);

15
sound/ppc/pmac.c
View File

@ -867,16 +867,11 @@ static int snd_pmac_free(struct snd_pmac *chip)
snd_pmac_dbdma_free(chip, &chip->capture.cmd);
snd_pmac_dbdma_free(chip, &chip->extra_dma);
snd_pmac_dbdma_free(chip, &emergency_dbdma);
if (chip->macio_base)
iounmap(chip->macio_base);
if (chip->latch_base)
iounmap(chip->latch_base);
if (chip->awacs)
iounmap(chip->awacs);
if (chip->playback.dma)
iounmap(chip->playback.dma);
if (chip->capture.dma)
iounmap(chip->capture.dma);
iounmap(chip->macio_base);
iounmap(chip->latch_base);
iounmap(chip->awacs);
iounmap(chip->playback.dma);
iounmap(chip->capture.dma);
if (chip->node) {
int i;