1138 	if (clst >= fs->n_fatent - 2) return 0;		/* Is it invalid cluster number? */  in clst2sect()
1159 	if (clst < 2 || clst >= fs->n_fatent) {	/* Check if in valid range */  in get_fat()
1237 	if (clst >= 2 && clst < fs->n_fatent) {	/* Check if in valid range */  in put_fat()
1303 	if (clst >= fs->n_fatent - 2) clst = 0;  in find_bitmap()
1311 				if (++val >= fs->n_fatent - 2) {	/* Next cluster (with wrap-around) */  in find_bitmap()
1432 	if (clst < 2 || clst >= fs->n_fatent) return FR_INT_ERR;	/* Check if in valid range */  in remove_chain()
1450 		if (fs->free_clst < fs->n_fatent - 2) {	/* Update FSINFO */  in remove_chain()
1473 	} while (clst < fs->n_fatent);	/* Repeat while not the last link */  in remove_chain()
1523 		if (scl == 0 || scl >= fs->n_fatent) scl = 1;  in create_chain()
1529 		if (cs < fs->n_fatent) return cs;	/* It is already followed by next cluster */  in create_chain()
1564 			if (ncl >= fs->n_fatent) ncl = 2;  in create_chain()
1569 				if (cs >= 2 && cs < fs->n_fatent) scl = cs;  in create_chain()
1577 				if (ncl >= fs->n_fatent) {		/* Check wrap-around */  in create_chain()
1595 		if (fs->free_clst <= fs->n_fatent - 2) fs->free_clst--;  in create_chain()
1711 …if (clst < 2 || clst >= fs->n_fatent) return FR_INT_ERR;	/* Reached to end of table or internal er…  in dir_sdi()
1757 				if (clst >= fs->n_fatent) {					/* It reached end of dynamic table */  in dir_next()
3317 		fs->n_fatent = nclst + 2;
3338 		if (bcl < 2 || bcl >= fs->n_fatent) return FR_NO_FILESYSTEM;
3388 		fs->n_fatent = nclst + 2;						/* Number of FAT entries */
3396 			szbfat = fs->n_fatent * 4;					/* (Needed FAT size) */
3401 				fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1);
4295 				} while (cl < fs->n_fatent);	/* Repeat until end of chain */
4376 					if (clst <= 1 || clst >= fs->n_fatent) ABORT(fs, FR_INT_ERR);
4652 		if (fs->free_clst <= fs->n_fatent - 2) {
4664 				} while (++clst < fs->n_fatent);
4671 					clst = fs->n_fatent - 2;	/* Number of clusters */
4688 					clst = fs->n_fatent;	/* Number of entries */
4745 			if (res == FR_OK && ncl < fs->n_fatent) {
5390 	if (stcl < 2 || stcl >= fs->n_fatent) stcl = 2;
5411 			if (++clst >= fs->n_fatent) clst = 2;
5441 			if (fs->free_clst <= fs->n_fatent - 2) {	/* Update FSINFO */