| |
| --- a/lib/ext2fs/openfs.c |
| +++ b/lib/ext2fs/openfs.c |
| @@ -134,6 +134,7 @@ errcode_t ext2fs_open2(const char *name, const char *io_options, |
| int j; |
| #endif |
| char *time_env; |
| + int csum_retries = 0; |
| |
| EXT2_CHECK_MAGIC(manager, EXT2_ET_MAGIC_IO_MANAGER); |
| |
| @@ -221,6 +222,7 @@ errcode_t ext2fs_open2(const char *name, const char *io_options, |
| if (retval) |
| goto cleanup; |
| } |
| +retry: |
| retval = io_channel_read_blk(fs->io, superblock, -SUPERBLOCK_SIZE, |
| fs->super); |
| if (retval) |
| @@ -232,8 +234,11 @@ errcode_t ext2fs_open2(const char *name, const char *io_options, |
| retval = 0; |
| if (!ext2fs_verify_csum_type(fs, fs->super)) |
| retval = EXT2_ET_UNKNOWN_CSUM; |
| - if (!ext2fs_superblock_csum_verify(fs, fs->super)) |
| + if (!ext2fs_superblock_csum_verify(fs, fs->super)) { |
| + if (csum_retries++ < 3) |
| + goto retry; |
| retval = EXT2_ET_SB_CSUM_INVALID; |
| + } |
| } |
| |
| #ifdef WORDS_BIGENDIAN |
