diff options
Diffstat (limited to 'cmds-restore.c')
| -rw-r--r-- | cmds-restore.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/cmds-restore.c b/cmds-restore.c index 4a3f795a..d2caa6ac 100644 --- a/cmds-restore.c +++ b/cmds-restore.c @@ -111,6 +111,8 @@ static int decompress_lzo(unsigned char *inbuf, char *outbuf, u64 compress_len, tot_in = LZO_LEN; while (tot_in < tot_len) { + size_t mod_page; + size_t rem_page; in_len = read_compress_length(inbuf); if ((tot_in + LZO_LEN + in_len) > tot_len) { @@ -134,6 +136,17 @@ static int decompress_lzo(unsigned char *inbuf, char *outbuf, u64 compress_len, outbuf += new_len; inbuf += in_len; tot_in += in_len; + + /* + * If the 4 byte header does not fit to the rest of the page we + * have to move to the next one, unless we read some garbage + */ + mod_page = tot_in % PAGE_CACHE_SIZE; + rem_page = PAGE_CACHE_SIZE - mod_page; + if (rem_page < LZO_LEN) { + inbuf += rem_page; + tot_in += rem_page; + } } *decompress_len = out_len; |