diag: Prevent unnecessary data ready counter update

The patch fixes unnecessary data ready counter update by
adding proper checks.

CRs-Fixed: 2180045
Change-Id: Iff34a9c6203324cd07964d69a1f525325b3a011b
Signed-off-by: Manoj Prabhu B <bmanoj@codeaurora.org>
1 file changed