[PATCH] char: nvram: Remove unused nvram_mutex to fix -Wunused-variable warning

[Venkat Rao Bagalkote]

Please ignore this. Sent v2 [1]

[1]: 
https://lore.kernel.org/all/20260323073220.25798-1-venkat88@linux.ibm.com/


Regards,

Venkat.

On 23/03/26 12:54 pm, Venkat Rao Bagalkote wrote:
> drivers/char/nvram.c defines a static mutex 'nvram_mutex' which is never
> used. This results in a compiler warning on linux-next builds:
>
>    warning: 'nvram_mutex' defined but not used [-Wunused-variable]
>
> Remove the unused definition to avoid the warning.
>
> Signed-off-by: Venkat Rao Bagalkote <venkat88 at linux.ibm.com>
> ---
>   drivers/char/nvram.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
> index 9eff426a9286..2ce3307663ed 100644
> --- a/drivers/char/nvram.c
> +++ b/drivers/char/nvram.c
> @@ -53,7 +53,7 @@
>   #include <asm/nvram.h>
>   #endif
>   
> -static DEFINE_MUTEX(nvram_mutex);
> +static __maybe_unused DEFINE_MUTEX(nvram_mutex);
>   static DEFINE_SPINLOCK(nvram_state_lock);
>   static int nvram_open_cnt;	/* #times opened */
>   static int nvram_open_mode;	/* special open modes */