diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/ext4_journal.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/ext4/ext4_journal.c b/fs/ext4/ext4_journal.c index cf14049..5a25be4 100644 --- a/fs/ext4/ext4_journal.c +++ b/fs/ext4/ext4_journal.c @@ -190,7 +190,11 @@ int ext4fs_put_metadata(char *metadata_buffer, uint32_t blknr) printf("Invalid input arguments %s\n", __func__); return -EINVAL; } - dirty_block_ptr[gd_index]->buf = zalloc(fs->blksz); + if (dirty_block_ptr[gd_index]->buf) + assert(dirty_block_ptr[gd_index]->blknr == blknr); + else + dirty_block_ptr[gd_index]->buf = zalloc(fs->blksz); + if (!dirty_block_ptr[gd_index]->buf) return -ENOMEM; memcpy(dirty_block_ptr[gd_index]->buf, metadata_buffer, fs->blksz); |