ext4: Use %pe to print PTR_ERR()

Replace %ld with %pe and PTR_ERR(path) with path pointer.
The %pe specifier automatically converts error pointers to
human-readable error names instead of raw error codes.

These changes were found by coccicheck.

Signed-off-by: Abdellah Ouhbi <abdououhbi1@gmail.com>
Link: https://patch.msgid.link/20260424154307.169881-1-abdououhbi1@gmail.com
Link: https://patch.msgid.link/20260424155508.186235-1-abdououhbi1@gmail.com
Link: https://patch.msgid.link/20260424152245.142308-1-abdououhbi1@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

Author: Scha77en

fs/ext4/extents.c

@@ -3268,8 +3268,8 @@ static struct ext4_ext_path *ext4_split_extent_at(handle_t *handle,
 	 */
 	path = ext4_find_extent(inode, ee_block, NULL, flags | EXT4_EX_NOFAIL);
 	if (IS_ERR(path)) {
-		EXT4_ERROR_INODE(inode, "Failed split extent on %u, err %ld",
-				 split, PTR_ERR(path));
+		EXT4_ERROR_INODE(inode, "Failed split extent on %u, err %pe",
+				 split, path);
 		goto out_path;
 	}
 

fs/ext4/namei.c

@@ -145,9 +145,9 @@ static struct buffer_head *__ext4_read_dirblock(struct inode *inode,
 	if (IS_ERR(bh)) {
 		__ext4_warning(inode->i_sb, func, line,
 			       "inode #%llu: lblock %lu: comm %s: "
-			       "error %ld reading directory block",
+			       "error %pe reading directory block",
 			       inode->i_ino, (unsigned long)block,
-			       current->comm, PTR_ERR(bh));
+			       current->comm, bh);
 
 		return bh;
 	}

fs/ext4/super.c

@@ -5977,8 +5977,8 @@ static struct file *ext4_get_journal_blkdev(struct super_block *sb,
 		sb, &fs_holder_ops);
 	if (IS_ERR(bdev_file)) {
 		ext4_msg(sb, KERN_ERR,
-			 "failed to open journal device unknown-block(%u,%u) %ld",
-			 MAJOR(j_dev), MINOR(j_dev), PTR_ERR(bdev_file));
+			 "failed to open journal device unknown-block(%u,%u) %pe",
+			 MAJOR(j_dev), MINOR(j_dev), bdev_file);
 		return bdev_file;
 	}