jbd2: fix infinite loop when recovering corrupt journal blocks

[firefly-linux-kernel-4.4.55.git] / fs / jbd2 / recovery.c

diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index 626846bac32f8a5f2c01d4e3f39db9332642a25c..3bacc1909ddb0d54117777706a6c692bb97053c4 100644 (file)
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -427,6 +427,7 @@ static int do_one_pass(journal_t *journal,
        int                     tag_bytes = journal_tag_bytes(journal);
        __u32                   crc32_sum = ~0; /* Transactional Checksums */
        int                     descr_csum_size = 0;
+       int                     block_error = 0;
 
        /*
         * First thing is to establish what we expect to find in the log
@@ -599,7 +600,8 @@ static int do_one_pass(journal_t *journal,
                                                       "checksum recovering "
                                                       "block %llu in log\n",
                                                       blocknr);
-                                               continue;
+                                               block_error = 1;
+                                               goto skip_write;
                                        }
 
                                        /* Find a buffer for the new
@@ -798,7 +800,8 @@ static int do_one_pass(journal_t *journal,
                                success = -EIO;
                }
        }
-
+       if (block_error && success == 0)
+               success = -EIO;
        return success;
 
  failed: