diff mbox series

[v1,2/2] mmc: mmc_spi: Imply container_of() to be no-op

Message ID 20210528112127.71738-2-andriy.shevchenko@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series [v1,1/2] mmc: mmc_spi: Drop duplicate 'mmc_spi' in the debug messages | expand

Commit Message

Andy Shevchenko May 28, 2021, 11:21 a.m. UTC
Since we don't use structure field layout randomization
the manual shuffling can affect some macros, in particular
container_of() against struct of_mmc_spi, which becomes
a no-op when pdata member is the first one in the structure.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/mmc/host/of_mmc_spi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Ulf Hansson May 31, 2021, 10:16 a.m. UTC | #1
On Fri, 28 May 2021 at 13:21, Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> Since we don't use structure field layout randomization
> the manual shuffling can affect some macros, in particular
> container_of() against struct of_mmc_spi, which becomes
> a no-op when pdata member is the first one in the structure.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/of_mmc_spi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
> index 9d480a05f655..3629550528b6 100644
> --- a/drivers/mmc/host/of_mmc_spi.c
> +++ b/drivers/mmc/host/of_mmc_spi.c
> @@ -22,8 +22,8 @@
>  MODULE_LICENSE("GPL");
>
>  struct of_mmc_spi {
> -       int detect_irq;
>         struct mmc_spi_platform_data pdata;
> +       int detect_irq;
>  };
>
>  static struct of_mmc_spi *to_of_mmc_spi(struct device *dev)
> --
> 2.30.2
>
diff mbox series

Patch

diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
index 9d480a05f655..3629550528b6 100644
--- a/drivers/mmc/host/of_mmc_spi.c
+++ b/drivers/mmc/host/of_mmc_spi.c
@@ -22,8 +22,8 @@ 
 MODULE_LICENSE("GPL");
 
 struct of_mmc_spi {
-	int detect_irq;
 	struct mmc_spi_platform_data pdata;
+	int detect_irq;
 };
 
 static struct of_mmc_spi *to_of_mmc_spi(struct device *dev)