diff options
| author | Paul Mackerras <paulus@samba.org> | 2006-12-04 04:59:07 (GMT) |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-12-04 04:59:07 (GMT) |
| commit | 79acbb3ff2d8095b692e1502b9eb2ccec348de26 (patch) | |
| tree | 6ab773e5a8f9de2cd6443362b21d0d6fffe3b35e /drivers/isdn/pcbit/drv.c | |
| parent | 19a79859e168640f8e16d7b216d211c1c52b687a (diff) | |
| parent | 2b5f6dcce5bf94b9b119e9ed8d537098ec61c3d2 (diff) | |
| download | linux-79acbb3ff2d8095b692e1502b9eb2ccec348de26.tar.xz | |
Merge branch 'linux-2.6' into for-linus
Diffstat (limited to 'drivers/isdn/pcbit/drv.c')
| -rw-r--r-- | drivers/isdn/pcbit/drv.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/isdn/pcbit/drv.c b/drivers/isdn/pcbit/drv.c index 94f2148..6ead5e1 100644 --- a/drivers/isdn/pcbit/drv.c +++ b/drivers/isdn/pcbit/drv.c @@ -725,23 +725,27 @@ static int pcbit_stat(u_char __user *buf, int len, int driver, int channel) if (stat_st < stat_end) { - copy_to_user(buf, statbuf + stat_st, len); + if (copy_to_user(buf, statbuf + stat_st, len)) + return -EFAULT; stat_st += len; } else { if (len > STATBUF_LEN - stat_st) { - copy_to_user(buf, statbuf + stat_st, - STATBUF_LEN - stat_st); - copy_to_user(buf, statbuf, - len - (STATBUF_LEN - stat_st)); + if (copy_to_user(buf, statbuf + stat_st, + STATBUF_LEN - stat_st)) + return -EFAULT; + if (copy_to_user(buf, statbuf, + len - (STATBUF_LEN - stat_st))) + return -EFAULT; stat_st = len - (STATBUF_LEN - stat_st); } else { - copy_to_user(buf, statbuf + stat_st, len); + if (copy_to_user(buf, statbuf + stat_st, len)) + return -EFAULT; stat_st += len; |