RETURN_IF

#define RETURN_IF	(		is_true,
			ret_val )

Value:

    do                                     \
    {                                      \
        if ((is_true)) { return ret_val; } \
    }                                      \
    while (0)

Macro for verifying that the provided condition is true. It will cause the exterior function to return an error value if it is not.

Parameters

[in]	is_true	Boolean condition to check.
[in]	ret_val	The value to be returned if the checks fails