The interface pointer passed to a core API function cannot be NULL. This
patch removes unnessecary the sanity check of the pointer.

Signed-off-by: Christian Gromm <[email protected]>
Reported-by: Greg Kroah-Hartman <[email protected]>
---
 drivers/staging/most/usb/usb.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/most/usb/usb.c b/drivers/staging/most/usb/usb.c
index e8c5a8c..9527e31 100644
--- a/drivers/staging/most/usb/usb.c
+++ b/drivers/staging/most/usb/usb.c
@@ -233,10 +233,6 @@ static int hdm_poison_channel(struct most_interface 
*iface, int channel)
        unsigned long flags;
        spinlock_t *lock; /* temp. lock */
 
-       if (unlikely(!iface)) {
-               dev_warn(&mdev->usb_device->dev, "Poison: Bad interface.\n");
-               return -EIO;
-       }
        if (unlikely(channel < 0 || channel >= iface->num_channels)) {
                dev_warn(&mdev->usb_device->dev, "Channel ID out of range.\n");
                return -ECHRNG;
@@ -559,7 +555,7 @@ static int hdm_enqueue(struct most_interface *iface, int 
channel,
        unsigned long length;
        void *virt_address;
 
-       if (unlikely(!iface || !mbo))
+       if (unlikely(!mbo))
                return -EIO;
        if (unlikely(iface->num_channels <= channel || channel < 0))
                return -ECHRNG;
@@ -674,8 +670,8 @@ static int hdm_configure_channel(struct most_interface 
*iface, int channel,
        mdev->clear_work[channel].mdev = mdev;
        INIT_WORK(&mdev->clear_work[channel].ws, wq_clear_halt);
 
-       if (unlikely(!iface || !conf)) {
-               dev_err(dev, "Bad interface or config pointer.\n");
+       if (unlikely(!conf)) {
+               dev_err(dev, "Bad config pointer.\n");
                return -EINVAL;
        }
        if (unlikely(channel < 0 || channel >= iface->num_channels)) {
@@ -747,7 +743,6 @@ static void hdm_request_netinfo(struct most_interface 
*iface, int channel,
 {
        struct most_dev *mdev;
 
-       BUG_ON(!iface);
        mdev = to_mdev(iface);
        mdev->on_netinfo = on_netinfo;
        if (!on_netinfo)
-- 
2.7.4

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