On Fri, Nov 25, 2022 at 08:03:50PM +0800, Wang Yufen wrote: > In the previous while loop, "ret" may be assigned zero. Therefore, > "ret" needs to be assigned -EINVAL at the beginning of each loop. ... > while (ptr < (u32 *)(dd->platform_config.data + file_length)) { > + ret = -EINVAL; > header1 = *ptr; > header2 = *(ptr + 1); > if (header1 != ~header2) { You may do it differently and simplify even existing code, i.e. // The following two lines to add bali_with_einval: ret = -EINVAL; bail: memset(pcfgcache, 0, sizeof(struct platform_config_cache)); return ret; Then you convert all goto bail; to goto bail_with_einval; where it's appropriate. And dropping some duplicative ret = -EINVAL; lines above. -- With Best Regards, Andy Shevchenko