erofs: remove useless src in erofs_xattr_copy_to_buffer()

Use it->kaddr directly.

Signed-off-by: Ferry Meng <mengferry@linux.alibaba.com>
Reviewed-by: Hongbo Li <lihongbo22@huawei.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
index f8668157162f7674d2d3cc54116171042e207506..dad076ce010897dd1a628c7b1107cae8651614a3 100644 (file)
--- a/fs/erofs/xattr.c
+++ b/fs/erofs/xattr.c
@@ -132,17 +132,15 @@ static int erofs_xattr_copy_to_buffer(struct erofs_xattr_iter *it,
 {
        unsigned int slice, processed;
        struct super_block *sb = it->sb;
-       void *src;
 
        for (processed = 0; processed < len; processed += slice) {
                it->kaddr = erofs_bread(&it->buf, it->pos, true);
                if (IS_ERR(it->kaddr))
                        return PTR_ERR(it->kaddr);
 
-               src = it->kaddr;
                slice = min_t(unsigned int, sb->s_blocksize -
                                erofs_blkoff(sb, it->pos), len - processed);
-               memcpy(it->buffer + it->buffer_ofs, src, slice);
+               memcpy(it->buffer + it->buffer_ofs, it->kaddr, slice);
                it->buffer_ofs += slice;
                it->pos += slice;
        }