Re: [PATCH][next] ext2: remove redundant assignment to pointer end

From: Jan Kara
Date: Tue Mar 21 2023 - 10:08:38 EST


On Fri 17-03-23 14:34:20, Colin Ian King wrote:
> Pointer is assigned a value that is never read, the assignment is
> redundant and can be removed.
>
> Cleans up clang-scan warning:
> fs/ext2/xattr.c:555:3: warning: Value stored to 'end' is never read [deadcode.DeadStores]
> end = (char *)header + sb->s_blocksize;
>
> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>

Thanks. I've picked the patch to my tree.

Honza

> ---
> fs/ext2/xattr.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
> index b126af5f8b15..8906ba479aaf 100644
> --- a/fs/ext2/xattr.c
> +++ b/fs/ext2/xattr.c
> @@ -552,7 +552,6 @@ ext2_xattr_set(struct inode *inode, int name_index, const char *name,
> error = -ENOMEM;
> if (header == NULL)
> goto cleanup;
> - end = (char *)header + sb->s_blocksize;
> header->h_magic = cpu_to_le32(EXT2_XATTR_MAGIC);
> header->h_blocks = header->h_refcount = cpu_to_le32(1);
> last = here = ENTRY(header+1);
> --
> 2.30.2
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR