Currently, the error code returned by erofs_{mkfs,rebuild}_handle_inode()
in erofs_mkfs_dump_tree() may be ignored. This patch introduces `err2` to
capture errors from {mkfs,rebuild}_handle_inode().

Signed-off-by: Hongzhen Luo <[email protected]>
---
v2: Clean up the patch and revise the commit message.
v1: 
https://lore.kernel.org/all/[email protected]/
---
 lib/inode.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/lib/inode.c b/lib/inode.c
index 7abde7f4a3b5..f553becb0be0 100644
--- a/lib/inode.c
+++ b/lib/inode.c
@@ -1706,7 +1706,7 @@ static int erofs_mkfs_dump_tree(struct erofs_inode *root, 
bool rebuild,
 {
        struct erofs_sb_info *sbi = root->sbi;
        struct erofs_inode *dumpdir = erofs_igrab(root);
-       int err;
+       int err, err2;
 
        erofs_mark_parent_inode(root, root);    /* rootdir mark */
        root->next_dirwrite = NULL;
@@ -1733,7 +1733,6 @@ static int erofs_mkfs_dump_tree(struct erofs_inode *root, 
bool rebuild,
        }
 
        do {
-               int err;
                struct erofs_inode *dir = dumpdir;
                /* used for adding sub-directories in reverse order due to FIFO 
*/
                struct erofs_inode *head, **last = &head;
@@ -1770,10 +1769,10 @@ static int erofs_mkfs_dump_tree(struct erofs_inode 
*root, bool rebuild,
                }
                *last = dumpdir;        /* fixup the last (or the only) one */
                dumpdir = head;
-               err = erofs_mkfs_go(sbi, EROFS_MKFS_JOB_DIR_BH,
+               err2 = erofs_mkfs_go(sbi, EROFS_MKFS_JOB_DIR_BH,
                                    &dir, sizeof(dir));
-               if (err)
-                       return err;
+               if (err || err2)
+                       return err ? err : err2;
        } while (dumpdir);
 
        return err;
-- 
2.43.5

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