btrfs-progs: send: cleanup use of ctransid delta temporary variable in find_good_parent

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

diff --git a/cmds-send.c b/cmds-send.c
index 5e334cb9bd74bba862ad5b66a2a4b7f86e603f8b..ad06d5beee69861858236a0826c291cbf287a767 100644 (file)
--- a/cmds-send.c
+++ b/cmds-send.c
@@ -101,7 +101,6 @@ static int find_good_parent(struct btrfs_send *sctx, u64 root_id, u64 *found)
        struct subvol_info *parent = NULL;
        struct subvol_info *parent2 = NULL;
        struct subvol_info *best_parent = NULL;
-       __s64 tmp;
        u64 best_diff = (u64)-1;
        int i;
 
@@ -120,6 +119,8 @@ static int find_good_parent(struct btrfs_send *sctx, u64 root_id, u64 *found)
        }
 
        for (i = 0; i < sctx->clone_sources_count; i++) {
+               s64 tmp;
+
                parent2 = get_parent(sctx, sctx->clone_sources[i]);
                if (!parent2)
                        continue;
@@ -142,7 +143,7 @@ static int find_good_parent(struct btrfs_send *sctx, u64 root_id, u64 *found)
                }
                tmp = parent2->ctransid - parent->ctransid;
                if (tmp < 0)
-                       tmp *= -1;
+                       tmp = -tmp;
                if (tmp < best_diff) {
                        if (best_parent) {
                                free(best_parent->path);