btrfs: Remove unused tot_len var from lzo_decompress

Added already unused in a6fa6fae40ec ("btrfs: Add lzo compression
support").

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/lzo.c b/fs/btrfs/lzo.c
index 6c7f18c..1c7f7f7 100644 (file)
--- a/fs/btrfs/lzo.c
+++ b/fs/btrfs/lzo.c
@@ -382,14 +382,12 @@ static int lzo_decompress(struct list_head *ws, unsigned char *data_in,
        struct workspace *workspace = list_entry(ws, struct workspace, list);
        size_t in_len;
        size_t out_len;
-       size_t tot_len;
        int ret = 0;
        char *kaddr;
        unsigned long bytes;
 
        BUG_ON(srclen < LZO_LEN);
 
-       tot_len = read_compress_length(data_in);
        data_in += LZO_LEN;
 
        in_len = read_compress_length(data_in);