Flavio Ceolin 4218d5f8f0 kernel: Make If statement have essentially Boolean type ...

Make if statement using pointers explicitly check whether the value is
NULL or not.

The C standard does not say that the null pointer is the same as the
pointer to memory address 0 and because of this is a good practice
always compare with the macro NULL.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>

2018-09-18 13:57:15 -04:00

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