Author: Markus Elfring <elfring@users.sourceforge.net> This issue was detected by using the Coccinelle software. 1. Let us return directly if a call of the si2165_readreg8() function failed. 2. Reduce the scope for the local variables « ret » and « tmp » to one branch of an if statement. 3. Delete the jump label « err » then. 4. Return the value …