Commits
Heinrich Schuchardt committed a874cac3b45
malloc: don't compare pointers to 0 0 is not a pointer. So do not compare pointers to 0. Do not return 0 from functions with a pointer return type. Problem identified with Coccinelle. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>