It's a variable that points to null, this is a valid check to see if the pointer is null. Coverity is showing a false positive.
On Tue, Feb 05, 2013 at 12:57:47PM -0500, Brian Wilkins wrote:
> No matter..this is the right way to check if a pointer is null in C.
> http://stackoverflow.com/questions/7970617/how-can-i-check-if-char-variable-points-to-empty-string
Yes, but you can't check for a value of an uninitialized variable.