Re: [PATCH] mmc: atmel-mci: fix mismatched section on atmci_cleanup_slot

From: Ulf Hansson
Date: Mon Sep 29 2014 - 05:43:33 EST

On 26 September 2014 21:34, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> As of 528bc7808f4e ("mmc: atmel-mci: Release mmc resources on failure in probe"),
> the atmci_probe() function calls atmci_cleanup_slot in the failure path.
> This causes a new warning whenever the driver is built:
> WARNING: drivers/mmc/host/built-in.o(.init.text+0xa04): Section mismatch in reference from the function atmci_probe() to the function .exit.text:atmci_cleanup_slot()
> The function __init atmci_probe() references
> a function __exit atmci_cleanup_slot().
> Gcc correctly warns about this function getting dropped in the link stage
> for the built-in case, which would cause undefined behavior when this error
> path is hit. The solution is to simply drop the __exit annotation.
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 528bc7808f4e ("mmc: atmel-mci: Release mmc resources on failure in probe")

Thanks! Applied for next!

Kind regards

> diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
> index 772ef5b0e4d5..974626087732 100644
> --- a/drivers/mmc/host/atmel-mci.c
> +++ b/drivers/mmc/host/atmel-mci.c
> @@ -2244,7 +2244,7 @@ static int __init atmci_init_slot(struct atmel_mci *host,
> return 0;
> }
> -static void __exit atmci_cleanup_slot(struct atmel_mci_slot *slot,
> +static void atmci_cleanup_slot(struct atmel_mci_slot *slot,
> unsigned int id)
> {
> /* Debugfs stuff is cleaned up by mmc core */
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