UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

mmc: mmc_spi: Remove useless NULL check at ->remove() 

The mmc pointer can't be NULL at ->remove(), drop the useless check.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Andy Shevchenko 2019-03-27 20:01:07 +02:00 committed by Ulf Hansson
parent b9ffe40862
commit 70a557e63f
1 changed files with 17 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/mmc/host/mmc_spi.c
View File

@ -1499,31 +1499,27 @@ nomem:
static int mmc_spi_remove(struct spi_device *spi)
{
struct mmc_host *mmc = dev_get_drvdata(&spi->dev);
struct mmc_spi_host *host;
struct mmc_spi_host *host = mmc_priv(mmc);
if (mmc) {
host = mmc_priv(mmc);
/* prevent new mmc_detect_change() calls */
if (host->pdata && host->pdata->exit)
host->pdata->exit(&spi->dev, mmc);
/* prevent new mmc_detect_change() calls */
if (host->pdata && host->pdata->exit)
host->pdata->exit(&spi->dev, mmc);
mmc_remove_host(mmc);
mmc_remove_host(mmc);
if (host->dma_dev) {
dma_unmap_single(host->dma_dev, host->ones_dma,
MMC_SPI_BLOCKSIZE, DMA_TO_DEVICE);
dma_unmap_single(host->dma_dev, host->data_dma,
sizeof(*host->data), DMA_BIDIRECTIONAL);
}
kfree(host->data);
kfree(host->ones);
spi->max_speed_hz = mmc->f_max;
mmc_free_host(mmc);
mmc_spi_put_pdata(spi);
if (host->dma_dev) {
dma_unmap_single(host->dma_dev, host->ones_dma,
MMC_SPI_BLOCKSIZE, DMA_TO_DEVICE);
dma_unmap_single(host->dma_dev, host->data_dma,
sizeof(*host->data), DMA_BIDIRECTIONAL);
}
kfree(host->data);
kfree(host->ones);
spi->max_speed_hz = mmc->f_max;
mmc_free_host(mmc);
mmc_spi_put_pdata(spi);
return 0;
}