diff options
Diffstat (limited to 'drivers/message')
| -rw-r--r-- | drivers/message/i2o/i2o_config.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index 4dd39a03082a..068ba0785bb4 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -111,9 +111,9 @@ static int i2o_cfg_gethrt(unsigned long arg) len = 8 + ((hrt->entry_len * hrt->num_entries) << 2); - /* We did a get user...so assuming mem is ok...is this bad? */ - put_user(len, kcmd.reslen); - if (len > reslen) + if (put_user(len, kcmd.reslen)) + ret = -EFAULT; + else if (len > reslen) ret = -ENOBUFS; else if (copy_to_user(kcmd.resbuf, (void *)hrt, len)) ret = -EFAULT; @@ -147,8 +147,9 @@ static int i2o_cfg_getlct(unsigned long arg) lct = (i2o_lct *) c->lct; len = (unsigned int)lct->table_size << 2; - put_user(len, kcmd.reslen); - if (len > reslen) + if (put_user(len, kcmd.reslen)) + ret = -EFAULT; + else if (len > reslen) ret = -ENOBUFS; else if (copy_to_user(kcmd.resbuf, lct, len)) ret = -EFAULT; @@ -208,8 +209,9 @@ static int i2o_cfg_parms(unsigned long arg, unsigned int type) return -EAGAIN; } - put_user(len, kcmd.reslen); - if (len > reslen) + if (put_user(len, kcmd.reslen)) + ret = -EFAULT; + else if (len > reslen) ret = -ENOBUFS; else if (copy_to_user(kcmd.resbuf, res, len)) ret = -EFAULT; |