[PATCH -next 0/9] ASoC: fsl: Use devm_platform_get_and_ioremap_resource()

[PATCH -next 0/9] ASoC: fsl: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

patch #1 ~ #8:
  Use devm_platform_get_and_ioremap_resource()

patch #9
  check return value of platform_get_resource_byname()

Yang Yingliang (9):
  ASoC: fsl_asrc: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_aud2htx: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_easrc: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_esai: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_micfil: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_sai: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_spdif: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_ssi: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_xcvr: check return value after calling
    platform_get_resource_byname()

 sound/soc/fsl/fsl_asrc.c    | 3 +--
 sound/soc/fsl/fsl_aud2htx.c | 3 +--
 sound/soc/fsl/fsl_easrc.c   | 3 +--
 sound/soc/fsl/fsl_esai.c    | 3 +--
 sound/soc/fsl/fsl_micfil.c  | 3 +--
 sound/soc/fsl/fsl_sai.c     | 3 +--
 sound/soc/fsl/fsl_spdif.c   | 3 +--
 sound/soc/fsl/fsl_ssi.c     | 3 +--
 sound/soc/fsl/fsl_xcvr.c    | 4 ++++
 9 files changed, 12 insertions(+), 16 deletions(-)

-- 
2.25.1

[PATCH -next 0/9] ASoC: fsl: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

patch #1 ~ #8:
  Use devm_platform_get_and_ioremap_resource()

patch #9
  check return value of platform_get_resource_byname()

Yang Yingliang (9):
  ASoC: fsl_asrc: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_aud2htx: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_easrc: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_esai: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_micfil: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_sai: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_spdif: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_ssi: Use devm_platform_get_and_ioremap_resource()
  ASoC: fsl_xcvr: check return value after calling
    platform_get_resource_byname()

 sound/soc/fsl/fsl_asrc.c    | 3 +--
 sound/soc/fsl/fsl_aud2htx.c | 3 +--
 sound/soc/fsl/fsl_easrc.c   | 3 +--
 sound/soc/fsl/fsl_esai.c    | 3 +--
 sound/soc/fsl/fsl_micfil.c  | 3 +--
 sound/soc/fsl/fsl_sai.c     | 3 +--
 sound/soc/fsl/fsl_spdif.c   | 3 +--
 sound/soc/fsl/fsl_ssi.c     | 3 +--
 sound/soc/fsl/fsl_xcvr.c    | 4 ++++
 9 files changed, 12 insertions(+), 16 deletions(-)

-- 
2.25.1

[PATCH -next 1/9] ASoC: fsl_asrc: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_asrc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 0e1ad8efebd3..24b41881a68f 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -1035,8 +1035,7 @@ static int fsl_asrc_probe(struct platform_device *pdev)
 	asrc->private = asrc_priv;
 
 	/* Get the addresses and IRQ */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(&pdev->dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 1/9] ASoC: fsl_asrc: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_asrc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 0e1ad8efebd3..24b41881a68f 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -1035,8 +1035,7 @@ static int fsl_asrc_probe(struct platform_device *pdev)
 	asrc->private = asrc_priv;
 
 	/* Get the addresses and IRQ */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(&pdev->dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 2/9] ASoC: fsl_aud2htx: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_aud2htx.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_aud2htx.c b/sound/soc/fsl/fsl_aud2htx.c
index a328697511f7..99ab7f0241cf 100644
--- a/sound/soc/fsl/fsl_aud2htx.c
+++ b/sound/soc/fsl/fsl_aud2htx.c
@@ -196,8 +196,7 @@ static int fsl_aud2htx_probe(struct platform_device *pdev)
 
 	aud2htx->pdev = pdev;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(&pdev->dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 2/9] ASoC: fsl_aud2htx: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_aud2htx.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_aud2htx.c b/sound/soc/fsl/fsl_aud2htx.c
index a328697511f7..99ab7f0241cf 100644
--- a/sound/soc/fsl/fsl_aud2htx.c
+++ b/sound/soc/fsl/fsl_aud2htx.c
@@ -196,8 +196,7 @@ static int fsl_aud2htx_probe(struct platform_device *pdev)
 
 	aud2htx->pdev = pdev;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(&pdev->dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 3/9] ASoC: fsl_easrc: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_easrc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c
index b1765c7d3bcd..19c3c3b5939e 100644
--- a/sound/soc/fsl/fsl_easrc.c
+++ b/sound/soc/fsl/fsl_easrc.c
@@ -1887,8 +1887,7 @@ static int fsl_easrc_probe(struct platform_device *pdev)
 	easrc->private = easrc_priv;
 	np = dev->of_node;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 3/9] ASoC: fsl_easrc: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_easrc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c
index b1765c7d3bcd..19c3c3b5939e 100644
--- a/sound/soc/fsl/fsl_easrc.c
+++ b/sound/soc/fsl/fsl_easrc.c
@@ -1887,8 +1887,7 @@ static int fsl_easrc_probe(struct platform_device *pdev)
 	easrc->private = easrc_priv;
 	np = dev->of_node;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 4/9] ASoC: fsl_esai: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_esai.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index f356ae5925af..a961f837cd09 100644
--- a/sound/soc/fsl/fsl_esai.c
+++ b/sound/soc/fsl/fsl_esai.c
@@ -969,8 +969,7 @@ static int fsl_esai_probe(struct platform_device *pdev)
 	esai_priv->soc = of_device_get_match_data(&pdev->dev);
 
 	/* Get the addresses and IRQ */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(&pdev->dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 4/9] ASoC: fsl_esai: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_esai.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index f356ae5925af..a961f837cd09 100644
--- a/sound/soc/fsl/fsl_esai.c
+++ b/sound/soc/fsl/fsl_esai.c
@@ -969,8 +969,7 @@ static int fsl_esai_probe(struct platform_device *pdev)
 	esai_priv->soc = of_device_get_match_data(&pdev->dev);
 
 	/* Get the addresses and IRQ */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(&pdev->dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 5/9] ASoC: fsl_micfil: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_micfil.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index 3cf789ed6cbe..8c0c75ce9490 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -669,8 +669,7 @@ static int fsl_micfil_probe(struct platform_device *pdev)
 	}
 
 	/* init regmap */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(&pdev->dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 5/9] ASoC: fsl_micfil: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_micfil.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index 3cf789ed6cbe..8c0c75ce9490 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -669,8 +669,7 @@ static int fsl_micfil_probe(struct platform_device *pdev)
 	}
 
 	/* init regmap */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(&pdev->dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 6/9] ASoC: fsl_sai: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_sai.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 407a45e48eee..223fcd15bfcc 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -1017,8 +1017,7 @@ static int fsl_sai_probe(struct platform_device *pdev)
 
 	sai->is_lsb_first = of_property_read_bool(np, "lsb-first");
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 
-- 
2.25.1

[PATCH -next 6/9] ASoC: fsl_sai: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_sai.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 407a45e48eee..223fcd15bfcc 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -1017,8 +1017,7 @@ static int fsl_sai_probe(struct platform_device *pdev)
 
 	sai->is_lsb_first = of_property_read_bool(np, "lsb-first");
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 
-- 
2.25.1

[PATCH -next 7/9] ASoC: fsl_spdif: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_spdif.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index 2a76714eb8e6..d812a3ff5845 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -1355,8 +1355,7 @@ static int fsl_spdif_probe(struct platform_device *pdev)
 				spdif_priv->soc->tx_formats;
 
 	/* Get the addresses and IRQ */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(&pdev->dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 7/9] ASoC: fsl_spdif: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_spdif.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index 2a76714eb8e6..d812a3ff5845 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -1355,8 +1355,7 @@ static int fsl_spdif_probe(struct platform_device *pdev)
 				spdif_priv->soc->tx_formats;
 
 	/* Get the addresses and IRQ */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(&pdev->dev, res);
+	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.25.1

[PATCH -next 8/9] ASoC: fsl_ssi: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_ssi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 2b57b60431bb..ecbc1c365d5b 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -1503,8 +1503,7 @@ static int fsl_ssi_probe(struct platform_device *pdev)
 	}
 	ssi->cpu_dai_drv.name = dev_name(dev);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	iomem = devm_ioremap_resource(dev, res);
+	iomem = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(iomem))
 		return PTR_ERR(iomem);
 	ssi->ssi_phys = res->start;
-- 
2.25.1

[PATCH -next 8/9] ASoC: fsl_ssi: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_ssi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 2b57b60431bb..ecbc1c365d5b 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -1503,8 +1503,7 @@ static int fsl_ssi_probe(struct platform_device *pdev)
 	}
 	ssi->cpu_dai_drv.name = dev_name(dev);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	iomem = devm_ioremap_resource(dev, res);
+	iomem = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(iomem))
 		return PTR_ERR(iomem);
 	ssi->ssi_phys = res->start;
-- 
2.25.1

[PATCH -next 9/9] ASoC: fsl_xcvr: check return value after calling platform_get_resource_byname()

[Yang Yingliang]

It will cause null-ptr-deref if platform_get_resource_byname() returns NULL,
we need check the return value.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_xcvr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c
index df7c189d97dd..2e9061c5ed74 100644
--- a/sound/soc/fsl/fsl_xcvr.c
+++ b/sound/soc/fsl/fsl_xcvr.c
@@ -1202,6 +1202,10 @@ static int fsl_xcvr_probe(struct platform_device *pdev)
 
 	rx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rxfifo");
 	tx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "txfifo");
+	if (!rx_res || !tx_res) {
+		dev_err(dev, "Invalid resource\n");
+		return -EINVAL;
+	}
 	xcvr->dma_prms_rx.chan_name = "rx";
 	xcvr->dma_prms_tx.chan_name = "tx";
 	xcvr->dma_prms_rx.addr = rx_res->start;
-- 
2.25.1

[PATCH -next 9/9] ASoC: fsl_xcvr: check return value after calling platform_get_resource_byname()

[Yang Yingliang]

It will cause null-ptr-deref if platform_get_resource_byname() returns NULL,
we need check the return value.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 sound/soc/fsl/fsl_xcvr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c
index df7c189d97dd..2e9061c5ed74 100644
--- a/sound/soc/fsl/fsl_xcvr.c
+++ b/sound/soc/fsl/fsl_xcvr.c
@@ -1202,6 +1202,10 @@ static int fsl_xcvr_probe(struct platform_device *pdev)
 
 	rx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rxfifo");
 	tx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "txfifo");
+	if (!rx_res || !tx_res) {
+		dev_err(dev, "Invalid resource\n");
+		return -EINVAL;
+	}
 	xcvr->dma_prms_rx.chan_name = "rx";
 	xcvr->dma_prms_tx.chan_name = "tx";
 	xcvr->dma_prms_rx.addr = rx_res->start;
-- 
2.25.1

Re: [PATCH -next 9/9] ASoC: fsl_xcvr: check return value after calling platform_get_resource_byname()

[Timur Tabi]

On Fri, Jun 11, 2021 at 4:32 AM Yang Yingliang <yangyingliang@huawei.com> wrote:

>         rx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rxfifo");
>         tx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "txfifo");
> +       if (!rx_res || !tx_res) {
> +               dev_err(dev, "Invalid resource\n");
> +               return -EINVAL;
> +       }

If platform_get_resource_byname() returns an error, it's probably
because the name cannot be found.  So I think this error message is
more accurate:

"could not find rxfifo or txfifo resource"

Re: [PATCH -next 9/9] ASoC: fsl_xcvr: check return value after calling platform_get_resource_byname()

[Timur Tabi]

On Fri, Jun 11, 2021 at 4:32 AM Yang Yingliang <yangyingliang@huawei.com> wrote:

>         rx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rxfifo");
>         tx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "txfifo");
> +       if (!rx_res || !tx_res) {
> +               dev_err(dev, "Invalid resource\n");
> +               return -EINVAL;
> +       }

If platform_get_resource_byname() returns an error, it's probably
because the name cannot be found.  So I think this error message is
more accurate:

"could not find rxfifo or txfifo resource"