Check the return value of psb_new_context() funtion.

BZ: 176019

The return value of psb_new_context() in psb_CreateContext hasn't been checked.
Remove the context number check for VP8 and this check will be done in kernel driver.

Change-Id: Ib550d28b4ad431792e22bf0164a628c23dbc21b9
Signed-off-by: Wang Kun <kun.k.wang@intel.com>
1 file changed