diff options
Diffstat (limited to 'sys/i386/isa/matcd/matcd.c')
| -rw-r--r-- | sys/i386/isa/matcd/matcd.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sys/i386/isa/matcd/matcd.c b/sys/i386/isa/matcd/matcd.c index 1809ec9..e57f387 100644 --- a/sys/i386/isa/matcd/matcd.c +++ b/sys/i386/isa/matcd/matcd.c @@ -2405,9 +2405,21 @@ static int matcd_toc_entries(int ldrive, int cdrive, int controller, array from the kernel address space into the user address space */ - if (copyout(entries, ioc_entry->data, - (trk)*sizeof(struct cd_toc_entry)) != 0) { - return(EFAULT); + { + int len = ioc_entry->data_len; + int i = ioc_entry->starting_track - 1; + struct cd_toc_entry* from = &entries[i]; + struct cd_toc_entry* to = ioc_entry->data; + + while (i < trk && len >= sizeof(struct cd_toc_entry)) { + if (copyout(from, to, sizeof(struct cd_toc_entry)) != 0) { + return (EFAULT); + } + i++; + len -= sizeof(struct cd_toc_entry); + from++; + to++; + } } return(0); |
