[PATCH v4 6/7] kexec_elf: remove unused variable in kexec_elf_load()

Thiago Jung Bauermann bauerman at linux.ibm.com
Wed Aug 21 11:02:06 AEST 2019


Sven Schnelle <svens at stackframe.org> writes:

> base was never assigned, so we can remove it.
>
> Reviewed-by: Christophe Leroy <christophe.leroy at c-s.fr>
> Signed-off-by: Sven Schnelle <svens at stackframe.org>
> ---
>  kernel/kexec_elf.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/kernel/kexec_elf.c b/kernel/kexec_elf.c
> index e346659af324..9421eebbacf0 100644
> --- a/kernel/kexec_elf.c
> +++ b/kernel/kexec_elf.c
> @@ -350,7 +350,7 @@ int kexec_elf_load(struct kimage *image, struct elfhdr *ehdr,
>  			 struct kexec_buf *kbuf,
>  			 unsigned long *lowest_load_addr)
>  {
> -	unsigned long base = 0, lowest_addr = UINT_MAX;
> +	unsigned long lowest_addr = UINT_MAX;
>  	int ret;
>  	size_t i;
>  
> @@ -372,7 +372,7 @@ int kexec_elf_load(struct kimage *image, struct elfhdr *ehdr,
>  		kbuf->bufsz = size;
>  		kbuf->memsz = phdr->p_memsz;
>  		kbuf->buf_align = phdr->p_align;
> -		kbuf->buf_min = phdr->p_paddr + base;
> +		kbuf->buf_min = phdr->p_paddr;
>  		ret = kexec_add_buffer(kbuf);
>  		if (ret)
>  			goto out;
> @@ -382,9 +382,6 @@ int kexec_elf_load(struct kimage *image, struct elfhdr *ehdr,
>  			lowest_addr = load_addr;
>  	}
>  
> -	/* Update entry point to reflect new load address. */
> -	ehdr->e_entry += base;
> -
>  	*lowest_load_addr = lowest_addr;
>  	ret = 0;
>   out:

Reviewed-by: Thiago Jung Bauermann <bauerman at linux.ibm.com>

-- 
Thiago Jung Bauermann
IBM Linux Technology Center



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