Makes changes to comply with alerts raised by CodeQL.
Most of the issues here fall into the following two categories:
1. Potential use of uninitialized pointer.
2. Inconsistent integer width in comparison.
Co-authored-by: Taylor Beebe <taylor.d.beebe@gmail.com>
Co-authored-by: Ken Lautner <kenlautner3@gmail.com>
Co-authored-by: Bret Barkelew <bret@corthon.com>
Signed-off-by: Vineel Kovvuri[MSFT] <vineelko@microsoft.com>
aae044a130