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spi: Updates for v3.10 

A few last minute SPI updates: fix a missized allocation and use atomic
 allocations in atomic context in the PXA driver, and fix the checking of
 return codes in the S3C64xx driver which caused spurious errors under
 heavy load.
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Merge tag 'spi-v3.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "A few last minute SPI updates: fix a missized allocation and use
  atomic allocations in atomic context in the PXA driver, and fix the
  checking of return codes in the S3C64xx driver which caused spurious
  errors under heavy load."

* tag 'spi-v3.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi/pxa2xx: fix memory corruption due to wrong size used in devm_kzalloc()
  spi/pxa2xx: use GFP_ATOMIC in sg table allocation
  spi: s3c64xx: Fix pm_runtime_get_sync() return value check
This commit is contained in:
Linus Torvalds 2013-06-24 20:17:11 -10:00
parent acdb37c361 332ec81d41
commit f97f7d2d27
3 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/spi/spi-pxa2xx-dma.c
View File

@ -59,7 +59,7 @@ static int pxa2xx_spi_map_dma_buffer(struct driver_data *drv_data,
int ret;
sg_free_table(sgt);
ret = sg_alloc_table(sgt, nents, GFP_KERNEL);
ret = sg_alloc_table(sgt, nents, GFP_ATOMIC);
if (ret)
return ret;
}

2
drivers/spi/spi-pxa2xx.c
View File

@ -1075,7 +1075,7 @@ pxa2xx_spi_acpi_get_pdata(struct platform_device *pdev)
acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev))
return NULL;
pdata = devm_kzalloc(&pdev->dev, sizeof(*ssp), GFP_KERNEL);
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
dev_err(&pdev->dev,
"failed to allocate memory for platform data\n");

2
drivers/spi/spi-s3c64xx.c
View File

@ -444,7 +444,7 @@ static int s3c64xx_spi_prepare_transfer(struct spi_master *spi)
}
ret = pm_runtime_get_sync(&sdd->pdev->dev);
if (ret != 0) {
if (ret < 0) {
dev_err(dev, "Failed to enable device: %d\n", ret);
goto out_tx;
}