diff options
| author | Jeremy Erickson <jerickso@cs.unc.edu> | 2014-04-18 17:06:00 -0400 |
|---|---|---|
| committer | Jeremy Erickson <jerickso@cs.unc.edu> | 2014-04-18 17:06:00 -0400 |
| commit | a215aa7b9ab3759c047201199fba64d3042d7f13 (patch) | |
| tree | bca37493d9b2233450e6d3ffced1261d0e4f71fe /net/compat.c | |
| parent | d31199a77ef606f1d06894385f1852181ba6136b (diff) | |
Update 2.6.36 to 2.6.36.4wip-dissipation2-jerickso
Diffstat (limited to 'net/compat.c')
| -rw-r--r-- | net/compat.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/compat.c b/net/compat.c index 63d260e81472..3649d5895361 100644 --- a/net/compat.c +++ b/net/compat.c | |||
| @@ -41,10 +41,12 @@ static inline int iov_from_user_compat_to_kern(struct iovec *kiov, | |||
| 41 | compat_size_t len; | 41 | compat_size_t len; |
| 42 | 42 | ||
| 43 | if (get_user(len, &uiov32->iov_len) || | 43 | if (get_user(len, &uiov32->iov_len) || |
| 44 | get_user(buf, &uiov32->iov_base)) { | 44 | get_user(buf, &uiov32->iov_base)) |
| 45 | tot_len = -EFAULT; | 45 | return -EFAULT; |
| 46 | break; | 46 | |
| 47 | } | 47 | if (len > INT_MAX - tot_len) |
| 48 | len = INT_MAX - tot_len; | ||
| 49 | |||
| 48 | tot_len += len; | 50 | tot_len += len; |
| 49 | kiov->iov_base = compat_ptr(buf); | 51 | kiov->iov_base = compat_ptr(buf); |
| 50 | kiov->iov_len = (__kernel_size_t) len; | 52 | kiov->iov_len = (__kernel_size_t) len; |