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| author | David S. Miller <davem@davemloft.net> | 2010-10-21 08:43:05 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-10-21 08:43:05 -0700 |
| commit | 2198a10b501fd4443430cb17e065a9e859cc58c9 (patch) | |
| tree | 87f3781d293da0f8f8f61615905eb7bf62b7c128 /drivers/input/evdev.c | |
| parent | 9941fb62762253774cc6177d0b9172ece5133fe1 (diff) | |
| parent | db5a753bf198ef7a50e17d2ff358adf37efe8648 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
net/core/dev.c
Diffstat (limited to 'drivers/input/evdev.c')
| -rw-r--r-- | drivers/input/evdev.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index c908c5f8364..9ddafc30f43 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -669,6 +669,9 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) { + if (!dev->absinfo) + return -EINVAL; + t = _IOC_NR(cmd) & ABS_MAX; abs = dev->absinfo[t]; @@ -680,10 +683,13 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, } } - if (_IOC_DIR(cmd) == _IOC_READ) { + if (_IOC_DIR(cmd) == _IOC_WRITE) { if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0))) { + if (!dev->absinfo) + return -EINVAL; + t = _IOC_NR(cmd) & ABS_MAX; if (copy_from_user(&abs, p, min_t(size_t, |