I think we should remove "if(fs)" condition here.
[src/host/minilua.c:3902] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.
[src/host/minilua.c:3905] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.
[src/host/minilua.c:3906] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.
[src/host/minilua.c:3907] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.
[src/host/minilua.c:3908] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.
[src/host/minilua.c:3909] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.
[src/host/minilua.c:3910] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.
[src/host/minilua.c:3911] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.
[src/host/minilua.c:3912] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.
[src/host/minilua.c:3913] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.
[src/host/minilua.c:3914] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.
[src/host/minilua.c:3917] -> [src/host/minilua.c:3918]: (warning) Either the condition 'if(fs)' is redundant or there is possible null pointer dereference: fs.