[PATCH 0/7] spi: remove unnecessary OOM messages

[PATCH 0/7] spi: remove unnecessary OOM messages

[Jingoo Han]

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message. For example,
k.alloc and v.alloc failures use dump_stack().

Jingoo Han (7):
      spi: pl022: remove unnecessary OOM messages
      spi: pxa2xx: remove unnecessary OOM messages
      spi: s3c24xx: remove unnecessary OOM messages
      spi: s3c64xx: remove unnecessary OOM messages
      spi: sh-msiof: remove unnecessary OOM messages
      spi: tle62x0: remove unnecessary OOM messages
      spi: topcliff-pch: remove unnecessary OOM messages

---
 drivers/spi/spi-pl022.c        |   13 +++----------
 drivers/spi/spi-pxa2xx.c       |   10 ++--------
 drivers/spi/spi-s3c24xx.c      |    4 +---
 drivers/spi/spi-s3c64xx.c      |    5 +----
 drivers/spi/spi-sh-msiof.c     |    4 +---
 drivers/spi/spi-tle62x0.c      |    4 +---
 drivers/spi/spi-topcliff-pch.c |    5 +----
 7 files changed, 10 insertions(+), 35 deletions(-)

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[PATCH 1/7] spi: pl022: remove unnecessary OOM messages

[Jingoo Han]

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
 drivers/spi/spi-pl022.c |   13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 51d9977..66d2ae2 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -1111,10 +1111,8 @@ static int pl022_dma_probe(struct pl022 *pl022)
 	}
 
 	pl022->dummypage = kmalloc(PAGE_SIZE, GFP_KERNEL);
-	if (!pl022->dummypage) {
-		dev_dbg(&pl022->adev->dev, "no DMA dummypage!\n");
+	if (!pl022->dummypage)
 		goto err_no_dummypage;
-	}
 
 	dev_info(&pl022->adev->dev, "setup for DMA on RX %s, TX %s\n",
 		 dma_chan_name(pl022->dma_rx_channel),
@@ -1809,11 +1807,8 @@ static int pl022_setup(struct spi_device *spi)
 
 	if (chip == NULL) {
 		chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL);
-		if (!chip) {
-			dev_err(&spi->dev,
-				"cannot allocate controller state\n");
+		if (!chip)
 			return -ENOMEM;
-		}
 		dev_dbg(&spi->dev,
 			"allocated memory for controller's runtime state\n");
 	}
@@ -2050,10 +2045,8 @@ pl022_platform_data_dt_get(struct device *dev)
 	}
 
 	pd = devm_kzalloc(dev, sizeof(struct pl022_ssp_controller), GFP_KERNEL);
-	if (!pd) {
-		dev_err(dev, "cannot allocate platform data memory\n");
+	if (!pd)
 		return NULL;
-	}
 
 	pd->bus_id = -1;
 	pd->enable_dma = 1;
-- 
1.7.10.4


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[PATCH 2/7] spi: pxa2xx: remove unnecessary OOM messages

[Jingoo Han]

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
 drivers/spi/spi-pxa2xx.c |   10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index d0fc8e0..65df9b1 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -885,11 +885,8 @@ static int setup(struct spi_device *spi)
 	chip = spi_get_ctldata(spi);
 	if (!chip) {
 		chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL);
-		if (!chip) {
-			dev_err(&spi->dev,
-				"failed setup: can't allocate chip data\n");
+		if (!chip)
 			return -ENOMEM;
-		}
 
 		if (drv_data->ssp_type == CE4100_SSP) {
 			if (spi->chip_select > 4) {
@@ -1036,11 +1033,8 @@ pxa2xx_spi_acpi_get_pdata(struct platform_device *pdev)
 		return NULL;
 
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
-	if (!pdata) {
-		dev_err(&pdev->dev,
-			"failed to allocate memory for platform data\n");
+	if (!pdata)
 		return NULL;
-	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)
-- 
1.7.10.4


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[PATCH 3/7] spi: s3c24xx: remove unnecessary OOM messages

[Jingoo Han]

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
 drivers/spi/spi-s3c24xx.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/spi/spi-s3c24xx.c b/drivers/spi/spi-s3c24xx.c
index bd85181..e713737 100644
--- a/drivers/spi/spi-s3c24xx.c
+++ b/drivers/spi/spi-s3c24xx.c
@@ -185,10 +185,8 @@ static int s3c24xx_spi_setup(struct spi_device *spi)
 		cs = devm_kzalloc(&spi->dev,
 				  sizeof(struct s3c24xx_spi_devstate),
 				  GFP_KERNEL);
-		if (!cs) {
-			dev_err(&spi->dev, "no memory for controller state\n");
+		if (!cs)
 			return -ENOMEM;
-		}
 
 		cs->spcon = SPCON_DEFAULT;
 		cs->hz = -1;
-- 
1.7.10.4


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[PATCH 4/7] spi: s3c64xx: remove unnecessary OOM messages

[Jingoo Han]

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
 drivers/spi/spi-s3c64xx.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 153b4be..75a5696 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -772,7 +772,6 @@ static struct s3c64xx_spi_csinfo *s3c64xx_get_slave_ctrldata(
 
 	cs = kzalloc(sizeof(*cs), GFP_KERNEL);
 	if (!cs) {
-		dev_err(&spi->dev, "could not allocate memory for controller data\n");
 		of_node_put(data_np);
 		return ERR_PTR(-ENOMEM);
 	}
@@ -986,10 +985,8 @@ static struct s3c64xx_spi_info *s3c64xx_spi_parse_dt(struct device *dev)
 	u32 temp;
 
 	sci = devm_kzalloc(dev, sizeof(*sci), GFP_KERNEL);
-	if (!sci) {
-		dev_err(dev, "memory allocation for spi_info failed\n");
+	if (!sci)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	if (of_property_read_u32(dev->of_node, "samsung,spi-src-clk", &temp)) {
 		dev_warn(dev, "spi bus clock parent not specified, using clock at index 0 as parent\n");
-- 
1.7.10.4


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[PATCH 5/7] spi: sh-msiof: remove unnecessary OOM messages

[Jingoo Han]

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
 drivers/spi/spi-sh-msiof.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index e850d03..45b0914 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -642,10 +642,8 @@ static struct sh_msiof_spi_info *sh_msiof_spi_parse_dt(struct device *dev)
 	u32 num_cs = 1;
 
 	info = devm_kzalloc(dev, sizeof(struct sh_msiof_spi_info), GFP_KERNEL);
-	if (!info) {
-		dev_err(dev, "failed to allocate setup data\n");
+	if (!info)
 		return NULL;
-	}
 
 	/* Parse the MSIOF properties */
 	of_property_read_u32(np, "num-cs", &num_cs);
-- 
1.7.10.4


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[PATCH 6/7] spi: tle62x0: remove unnecessary OOM messages

[Jingoo Han]

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
 drivers/spi/spi-tle62x0.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/spi/spi-tle62x0.c b/drivers/spi/spi-tle62x0.c
index 2d4010d..daf5aa1 100644
--- a/drivers/spi/spi-tle62x0.c
+++ b/drivers/spi/spi-tle62x0.c
@@ -253,10 +253,8 @@ static int tle62x0_probe(struct spi_device *spi)
 	}
 
 	st = kzalloc(sizeof(struct tle62x0_state), GFP_KERNEL);
-	if (st == NULL) {
-		dev_err(&spi->dev, "no memory for device state\n");
+	if (st == NULL)
 		return -ENOMEM;
-	}
 
 	st->us = spi;
 	st->nr_gpio = pdata->gpio_count;
-- 
1.7.10.4


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[PATCH 7/7] spi: topcliff-pch: remove unnecessary OOM messages

[Jingoo Han]

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
 drivers/spi/spi-topcliff-pch.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index f406b30..f05abf8 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -1578,14 +1578,11 @@ static int pch_spi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	struct pch_pd_dev_save *pd_dev_save;
 
 	pd_dev_save = kzalloc(sizeof(struct pch_pd_dev_save), GFP_KERNEL);
-	if (!pd_dev_save) {
-		dev_err(&pdev->dev, "%s Can't allocate pd_dev_sav\n", __func__);
+	if (!pd_dev_save)
 		return -ENOMEM;
-	}
 
 	board_dat = kzalloc(sizeof(struct pch_spi_board_data), GFP_KERNEL);
 	if (!board_dat) {
-		dev_err(&pdev->dev, "%s Can't allocate board_dat\n", __func__);
 		retval = -ENOMEM;
 		goto err_no_mem;
 	}
-- 
1.7.10.4


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Re: [PATCH 5/7] spi: sh-msiof: remove unnecessary OOM messages

[Geert Uytterhoeven]

On Tue, Apr 29, 2014 at 10:21 AM, Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> wrote:
> The site-specific OOM messages are unnecessary, because they
> duplicate the MM subsystem generic OOM message.
>
> Signed-off-by: Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>

Acked-by: Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Re: [PATCH 0/7] spi: remove unnecessary OOM messages

[Mark Brown]

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On Tue, Apr 29, 2014 at 05:17:43PM +0900, Jingoo Han wrote:
> The site-specific OOM messages are unnecessary, because they
> duplicate the MM subsystem generic OOM message. For example,
> k.alloc and v.alloc failures use dump_stack().

Applied all, thanks.

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Re: [PATCH 1/7] spi: pl022: remove unnecessary OOM messages

[Linus Walleij]

On Tue, Apr 29, 2014 at 1:19 AM, Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> wrote:

> The site-specific OOM messages are unnecessary, because they
> duplicate the MM subsystem generic OOM message.
>
> Signed-off-by: Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>

Acked-by: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>

Yours,
Linus Walleij
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