staging: tidspbridge: check kmalloc() result

If kmalloc() fails then exit with -ENOMEM.

Signed-off-by: Kulikov Vasiliy <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/tidspbridge/pmgr/dspapi.c

···
 		return -EINVAL;
 
 	ap_buffer = kmalloc((num_bufs * sizeof(u8 *)), GFP_KERNEL);
+	if (ap_buffer == NULL)
+		return -ENOMEM;
 
 	status = strm_allocate_buffer(args->args_strm_allocatebuffer.hstream,
 				      args->args_strm_allocatebuffer.usize,
···
 		return -EINVAL;
 
 	ap_buffer = kmalloc((num_bufs * sizeof(u8 *)), GFP_KERNEL);
+	if (ap_buffer == NULL)
+		return -ENOMEM;
 
 	CP_FM_USR(ap_buffer, args->args_strm_freebuffer.ap_buffer, status,
 		  num_bufs);