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Staging driver fixes for 4.4-rc5

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Here are a few staging and IIO driver fixes for 4.4-rc5.
 
 All of them resolve reported problems and have been in linux-next for a
 while.  Nothing major here, just small fixes where needed.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are a few staging and IIO driver fixes for 4.4-rc5.

  All of them resolve reported problems and have been in linux-next for
  a while.  Nothing major here, just small fixes where needed"

* tag 'staging-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: lustre: echo_copy.._lsm() dereferences userland pointers directly
  iio: adc: spmi-vadc: add missing of_node_put
  iio: fix some warning messages
  iio: light: apds9960: correct ->last_busy count
  iio: lidar: return -EINVAL on invalid signal
  staging: iio: dummy: complete IIO events delivery to userspace
This commit is contained in:
Linus Torvalds 2015-12-13 12:24:39 -08:00
commit b24f74e320
7 changed files with 21 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/iio/adc/qcom-spmi-vadc.c
View File

@ -839,8 +839,10 @@ static int vadc_get_dt_data(struct vadc_priv *vadc, struct device_node *node)
for_each_available_child_of_node(node, child) {
ret = vadc_get_dt_channel_data(vadc->dev, &prop, child);
if (ret)
if (ret) {
of_node_put(child);
return ret;
}
vadc->chan_props[index] = prop;

2
drivers/iio/industrialio-buffer.c
View File

@ -302,7 +302,7 @@ static int iio_scan_mask_set(struct iio_dev *indio_dev,
if (trialmask == NULL)
return -ENOMEM;
if (!indio_dev->masklength) {
WARN_ON("Trying to set scanmask prior to registering buffer\n");
WARN(1, "Trying to set scanmask prior to registering buffer\n");
goto err_invalid_mask;
}
bitmap_copy(trialmask, buffer->scan_mask, indio_dev->masklength);

2
drivers/iio/industrialio-core.c
View File

@ -655,7 +655,7 @@ int __iio_device_attr_init(struct device_attribute *dev_attr,
break;
case IIO_SEPARATE:
if (!chan->indexed) {
WARN_ON("Differential channels must be indexed\n");
WARN(1, "Differential channels must be indexed\n");
ret = -EINVAL;
goto error_free_full_postfix;
}

1
drivers/iio/light/apds9960.c
View File

@ -453,6 +453,7 @@ static int apds9960_set_power_state(struct apds9960_data *data, bool on)
usleep_range(data->als_adc_int_us,
APDS9960_MAX_INT_TIME_IN_US);
} else {
pm_runtime_mark_last_busy(dev);
ret = pm_runtime_put_autosuspend(dev);
}

6
drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
View File

@ -130,10 +130,10 @@ static int lidar_get_measurement(struct lidar_data *data, u16 *reg)
if (ret < 0)
break;
/* return 0 since laser is likely pointed out of range */
/* return -EINVAL since laser is likely pointed out of range */
if (ret & LIDAR_REG_STATUS_INVALID) {
*reg = 0;
ret = 0;
ret = -EINVAL;
break;
}
@ -197,7 +197,7 @@ static irqreturn_t lidar_trigger_handler(int irq, void *private)
if (!ret) {
iio_push_to_buffers_with_timestamp(indio_dev, data->buffer,
iio_get_time_ns());
} else {
} else if (ret != -EINVAL) {
dev_err(&data->client->dev, "cannot read LIDAR measurement");
}

2
drivers/staging/iio/iio_simple_dummy_events.c
View File

@ -159,7 +159,7 @@ static irqreturn_t iio_simple_dummy_get_timestamp(int irq, void *private)
struct iio_dummy_state *st = iio_priv(indio_dev);
st->event_timestamp = iio_get_time_ns();
return IRQ_HANDLED;
return IRQ_WAKE_THREAD;
}
/**

20
drivers/staging/lustre/lustre/obdecho/echo_client.c
View File

@ -1270,6 +1270,7 @@ static int
echo_copyout_lsm(struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob)
{
struct lov_stripe_md *ulsm = _ulsm;
struct lov_oinfo **p;
int nob, i;
nob = offsetof(struct lov_stripe_md, lsm_oinfo[lsm->lsm_stripe_count]);
@ -1279,9 +1280,10 @@ echo_copyout_lsm(struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob)
if (copy_to_user(ulsm, lsm, sizeof(*ulsm)))
return -EFAULT;
for (i = 0; i < lsm->lsm_stripe_count; i++) {
if (copy_to_user(ulsm->lsm_oinfo[i], lsm->lsm_oinfo[i],
sizeof(lsm->lsm_oinfo[0])))
for (i = 0, p = lsm->lsm_oinfo; i < lsm->lsm_stripe_count; i++, p++) {
struct lov_oinfo __user *up;
if (get_user(up, ulsm->lsm_oinfo + i) ||
copy_to_user(up, *p, sizeof(struct lov_oinfo)))
return -EFAULT;
}
return 0;
@ -1289,9 +1291,10 @@ echo_copyout_lsm(struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob)
static int
echo_copyin_lsm(struct echo_device *ed, struct lov_stripe_md *lsm,
void *ulsm, int ulsm_nob)
struct lov_stripe_md __user *ulsm, int ulsm_nob)
{
struct echo_client_obd *ec = ed->ed_ec;
struct lov_oinfo **p;
int i;
if (ulsm_nob < sizeof(*lsm))
@ -1306,11 +1309,10 @@ echo_copyin_lsm(struct echo_device *ed, struct lov_stripe_md *lsm,
((__u64)lsm->lsm_stripe_size * lsm->lsm_stripe_count > ~0UL))
return -EINVAL;
for (i = 0; i < lsm->lsm_stripe_count; i++) {
if (copy_from_user(lsm->lsm_oinfo[i],
((struct lov_stripe_md *)ulsm)-> \
lsm_oinfo[i],
sizeof(lsm->lsm_oinfo[0])))
for (i = 0, p = lsm->lsm_oinfo; i < lsm->lsm_stripe_count; i++, p++) {
struct lov_oinfo __user *up;
if (get_user(up, ulsm->lsm_oinfo + i) ||
copy_from_user(*p, up, sizeof(struct lov_oinfo)))
return -EFAULT;
}
return 0;