fs/ntfs: remove unused variable attr_len

This variable isn't used anymore, remove it to skip W=1 warning:

  fs/ntfs/inode.c:2350:6: warning: variable `attr_len' set but not used [-Wunused-but-set-variable]

Link: https://lkml.kernel.org/r/4194376f-898b-b602-81c3-210567712092@linux.alibaba.com
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Acked-by: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index caf5639..f7e4cbc 100644 (file)
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -2347,7 +2347,6 @@ int ntfs_truncate(struct inode *vi)
        ATTR_RECORD *a;
        const char *te = "  Leaving file length out of sync with i_size.";
        int err, mp_size, size_change, alloc_change;
-       u32 attr_len;
 
        ntfs_debug("Entering for inode 0x%lx.", vi->i_ino);
        BUG_ON(NInoAttr(ni));
@@ -2721,7 +2720,6 @@ do_non_resident_truncate:
         * this cannot fail since we are making the attribute smaller thus by
         * definition there is enough space to do so.
         */
-       attr_len = le32_to_cpu(a->length);
        err = ntfs_attr_record_resize(m, a, mp_size +
                        le16_to_cpu(a->data.non_resident.mapping_pairs_offset));
        BUG_ON(err);